Science Bros FanFiction

leave everything but your bones behind

leave everything but your bones behind

G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe Black Widow (Movie 2021)
Characters
Tony Stark, Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Clint Barton/Natasha Romanov, Dreykov (Avengers Marvel movies), Liho (Marvel), Avengers Team - Relationship, Red room - Character
Tags
Hurt/Comfort Implied/Referenced Torture Implied/Referenced Self-Harm Protective Steve Rogers Implied/Referenced Child Abuse Avengers Family Protective Tony Stark Dead Dove: Do Not Eat Panic Attacks Seizures Red Room (Marvel) Steve Rogers & Natasha Romanov Friendship
Natasha becomes unwell and only the Red Room can fix her. The choice is die or go back to the very place that made her.She’s going to pass out looking directly into the face of her concerned cat.“I’m…”She wants to tell Liho that she’s okay, but inste...
Guest From The Future

Guest From The Future

F/M
G
Updated
28.04.2025
Fandom
The Avengers (Marvel Movies) Spider-Man (Tom Holland Movies)
Characters
Pepper Potts/Tony Stark, Tony Stark, Pepper Potts, Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Peter Parker & Tony Stark, Peter Parker & Pepper Potts, Pepper Potts & Tony Stark, Thor (Marvel), Stephen Strange,
Tags
Magic Tony Stark Has a Heart Peter Parker Calls Tony Stark "Dad" Time Travel Tony Stark Acting as Peter Parker's Parental Figure Precious Peter Parker Post-Avengers: Endgame (Movie) Tony Stark Lives Howard Stark's Bad Parenting Everyone Loves Peter Parker Science Bros 2 Tony Stark
Even after Endgame Tony Stark is alive, with a metal arm which he made himself. He lives with his Family in New-York now, cause' Peter has school and after getting him back Tony is not leaving his son (ahem!) alone. Everything was going smoothly unt...
Rule Breaker

Rule Breaker

Multi
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies)
Characters
Tony Stark, Bruce Banner, Tony Stark/Reader, Bruce Banner/Tony Stark, Bruce Banner/Reader, Bruce Banner/Tony Stark/Reader
Tags
Smut Voyeurism Threesome - F/M/M Plot What Plot/Porn Without Plot Polyamory Eventual Relationships How Do I Tag Gender-Neutral Pronouns Accidental Voyeurism (eventually) - Freeform Bruce Banner & Tony Stark Friendship Caught
when a certain billionaire walks in on you knowing that the rules that were in place meant you weren't supposed to be doing so. (tags will be updated as chapters go on)
fluorescent adolescent

fluorescent adolescent

G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies)
Characters
Tony Stark, Pepper Potts, James "Bucky" Barnes/Steve Rogers, James "Bucky" Barnes, Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Thor (Marvel), Loki (Marvel), Tony Stark/Stephen Strange, Clint Barton & Natasha Romanov,
Tags
High School Alternate Universe - High School SHIELD Agent Natasha Romanov Alternate Universe - Modern: Still Have Powers Asgard The Tesseract (Marvel) SHIELD Agent Clint Barton Science Bros but it still has bits of the plot in it
Why would S.H.I.E.L.D. even need to have Tony Stark spied on. What exactly was he hiding? Based on what she knew about the guy, he was just some kid who accidentally inherited a company, and decided to make an 18 year old his CEO. Pepper Potts. Nothi...
help

help

F/F
F/M
M/M
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe Marvel The Avengers (Marvel Movies)
Characters
Pepper Potts/Tony Stark, Tony Stark, Pepper Potts, Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Thor (Marvel), Loki (Marvel), Nick Fury, Clint Barton & Natasha Romanov, Maria Hill,
Tags
Angst Alternate Universe - Canon Divergence Depression Suicidal Thoughts Magic Explicit Language Heavy Angst Torture Post-Traumatic Stress Disorder - PTSD Tony Stark Has Issues Implied/Referenced Suicide Self-Esteem Issues
Loki felt like his entire body was in pieces, and the pain was so unbearable he almost passed out. But he knew he didn't have much time, so with the few seconds he had, he looked up at his brother and muttered one word. A word he hadn't said truly...
Super secret agent spies

Super secret agent spies

F/F
M/M
Multi
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe Marvel The Avengers (Marvel Movies)
Characters
Tony Stark, Pepper Potts, James "Bucky" Barnes, Steve Rogers, Sam Wilson (Marvel), Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Pepper Potts/Natasha Romanov, Phil Coulson, Bruce Banner/Tony Stark, James "Bucky" Barnes/Steve Rogers/Sam Wilson,
Tags
Domestic Avengers Domestic Fluff Avengers Family Tony Stark Needs a Hug Fun Spies & Secret Agents Non-Sexual Age Play Clint Barton & Natasha Romanov Friendship Protective Bucky Barnes Science Bruce Banner Has Issues Play Fighting
Clint and Natasha are bored so they wage war on Steve and Bucky. Natasha gets hurt when Clint can’t warn her about a stack of blocks without giving up his position, Steve gets hurt when he trips. Bucky and Clint have a stand off to protect their frie...
The price we pay

The price we pay

M/M
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies)
Characters
Tony Stark, James "Bucky" Barnes/Steve Rogers, James "Bucky" Barnes, Steve Rogers, Natasha Romanov (Marvel), Clint Barton, Clint Barton & Natasha Romanov
Tags
Fluff Heavy Angst Hurt/Comfort Tony Stark Has a Heart Past Rape/Non-con Nightmares Angst and Hurt/Comfort Bucky Barnes Needs a Hug Fluff and Angst Past Abuse Flashbacks The Avengers Are Good Bros
When Bucky Barnes came back to the Avengers compound, trying to settle into his new life in the 21st century, he struggled. A lot. Steve was there though.
The Devil's Christmas

The Devil's Christmas

F/M
M/M
G
Updated
28.04.2025
Fandom
The Avengers (Marvel Movies) Spider-Man (Tom Holland Movies) Iron Man (Movies)
Characters
Pepper Potts/Tony Stark, Tony Stark, Pepper Potts, Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Peter Parker & Tony Stark, Peter Parker, Peter Parker & Pepper Potts, Michelle Jones/Peter Parker, Michelle Jones, Loki (Marvel),
Tags
Fluff Father-Son Relationship Hurt/Comfort Peter Parker is Tony Stark's Biological Child Parent Tony Stark One Shot Collection Mother-Son Relationship Christmas Natasha Romanov Is Not A Robot Precious Peter Parker Aunt Natasha Romanov Pepper Potts Acting as Peter Parker's Parental Figure
At Christmas, all the roads lead home. Even these of Devil himself. After all, Hell is home too.
Dreams

Dreams

Multi
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe Marvel
Characters
Tony Stark, Jarvis (Iron Man movies), Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Thor (Marvel), Loki (Marvel), Hulk (Marvel), Vision (Marvel), Bruce Banner/Reader, Avengers Team/Reader,
Tags
Enemies to Friends to Lovers Autism Spectrum Autism Genderfluid Loki (Marvel) Canon Bisexual Character Canon Autistic Character Bisexual Loki (Marvel) Protective Bruce Banner Autistic Bruce Banner Science Bros
Honestly, this is just the little pre-dream sequence that I add to every night to get myself to fall asleep.Andi Berch, a somewhat average autistic college student, finds her talents put to good use by SHIELD. With her ability to stay cool during eve...
I Don’t Want A Throne

I Don’t Want A Throne

F/M
G
Updated
28.04.2025
Fandom
The Avengers (Marvel Movies) Loki (TV 2021) Black Widow (Movie 2021)
Characters
Tony Stark, Pepper Potts, James "Bucky" Barnes, Steve Rogers, Sam Wilson (Marvel), Natasha Romanov (Marvel), Bruce Banner, James "Rhodey" Rhodes, Morgan Stark (Marvel Cinematic Universe), Thor (Marvel), Stephen Strange, Scott Lang,
Tags
Slow Burn Body Image Love Confessions Fluff and Humor Tooth-Rotting Fluff Domestic Avengers Emotional Hurt/Comfort Domestic Fluff Idiots in Love Protective Tony Stark First Kiss First Dates
Episode fix-it with context for Season 1 Episode 6: For All Time. Always. This story continues on past the end of the finale, please enjoy in lieu of waiting for season two.The sequel The End Is Only The Beginning, is officially up! From Chapter 22 o...
peter snaps his fingers

peter snaps his fingers

Gen
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe The Amazing Spider-Man (Movies - Webb)
Characters
Pepper Potts/Tony Stark, Steve Rogers, Natasha Romanov (Marvel), Clint Barton, Peter Parker & Tony Stark, Peter Parker, Michelle Jones/Peter Parker, Michelle Jones & Ned Leeds & Peter Parker, Peter Parker & Morgan Stark (Marvel Cinematic Universe), Wanda Maximoff/Vision, Vision, Peter Quill,
Tags
Peter Parker Needs a Hug Hurt Peter Parker Natasha Romanov Acting as Peter Parker's Parental Figure Peter Parker is a Mess Wanda Maximoff Needs a Hug Tony Stark Acting as Peter Parker's Parental Figure Steve Rogers & Natasha Romanov Friendship Natasha Romanov & Tony Stark Friendship Peter Parker Gets a Hug Protective Peter Parker Peter Parker & Morgan Stark Friendship (Marvel Cinematic Universe) Clint Barton & Natasha Romanov Friendship
''hey, kid, wake up.'' a voice said. he opened his eyes and saw natasha 'badass' romanov above him. ''it was pretty brave, what you did there.'' she said. ''what am I doing here?'' he asked, looking around him. ''we won, peter.''peter eyes went wide....
Hindsight Bias

Hindsight Bias

F/F
F/M
Gen
M/M
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe Iron Man (Movies)
Characters
Tony Stark, Pepper Potts, Jarvis (Iron Man movies), James "Bucky" Barnes, Steve Rogers, Sam Wilson (Marvel), Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Wanda Maximoff, Peter Parker, James "Rhodey" Rhodes,
Tags
Post-Traumatic Stress Disorder - PTSD Tony Stark Needs a Hug Redemption Time Travel Fix-It BAMF Tony Stark BAMF Pepper Potts Civil War Team Iron Man James "Rhodey" Rhodes Is a Good Bro Avengers: Endgame (Movie) Spoilers Bruce Is a Good Bro Protective Jarvis (Iron Man movies) Jarvis (Iron Man movies) Lives
"And I... Am... Iron Man." Tony snaps his fingers and welcomed death with open arms. Instead, he finds himself waking up to a voice he never thought he'd hear again, the press of something hard and metallic against his chest serving as a wake up call...
The ripe age of- wait what?

The ripe age of- wait what?

G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe Marvel The Avengers (Marvel Movies)
Characters
Tony Stark, Steve Rogers, Sam Wilson (Marvel), Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Natasha Romanov & Tony Stark, Steve Rogers & Tony Stark, Bruce Banner & Tony Stark, Tony Stark & Avengers Team, Clint Barton & Tony Stark, Tony Stark & Sam Wilson
Tags
I suck at tagging Young Tony Stark Science Bros Not too young but youngest on the team Tony stark is the youngest avenger is that even a tag? Clint freaking out for 2k words Steve regrets his life decisions
“ “twenty-four”, Tony cut in, pointedly ignoring Cap’s lecture, “So what’s that you had to say about the guy earlier being too young to beat up? because if that’s true, then you sure have a lot of apologizing to do”He meant it as a joke, but when he...
The Secrets We Keep

The Secrets We Keep

M/M
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies) Spider-Man (Tom Holland Movies)
Characters
Pepper Potts/Tony Stark, Tony Stark, Pepper Potts, Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Peter Parker & Tony Stark, Peter Parker, James "Rhodey" Rhodes, Happy Hogan, Peter Parker & Pepper Potts,
Tags
Tony Stark Has a Heart Peter Parker is Tony Stark's Biological Child Parent Tony Stark Peter Parker Needs a Hug Tony Stark Has Issues Kidnapped Peter Parker Protective Tony Stark Alternate Universe - Mob Tony Stark Acting as Peter Parker's Parental Figure BAMF Tony Stark but - Freeform Kid Peter Parker
“Who are all these people?” Pepper looked at the crowd forming around them.Tony flashed his million-dollar smile that always made Pepper melt. “Don’t worry about them Pep, it’s just business.”So, Pepper let it go. She shouldn’t have. Pepper's life wa...
Time to go on a diet

Time to go on a diet

M/M
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe
Characters
Tony Stark, Bruce Banner, Hulk (Marvel), Other Avengers, Bruce Banner/Tony Stark, Hulk & Tony Stark
Tags
Inktober Protective Hulk (Marvel) POV Bruce Banner Science Bros Hulk is abrupt Explosion POV Hulk (Marvel) Inktober 2020 bulky
“Next time, think about telling the giant to leave me hanging under the explosion. By the way, it’s time he went on a diet.”“I’m sorry, Tony…”“Well, at least I know the resistance had its limits.” he smiled in the corner and Bruce passed a hand in hi...
The Misadventures of the Other Timeline

The Misadventures of the Other Timeline

Gen
G
Updated
29.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies) Spider-Man (Tom Holland Movies)
Characters
Tony Stark, James "Bucky" Barnes & Steve Rogers, James "Bucky" Barnes & Sam Wilson, James "Bucky" Barnes, Steve Rogers, Sam Wilson (Marvel), Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Peter Parker & Tony Stark, Peter Parker, Thor (Marvel),
Tags
Fluff Angst Alternate Universe - Canon Divergence Fluff and Humor Tony Stark Has a Heart Memes Crack Bucky Barnes Needs a Hug Fluff and Angst Domestic Fluff Tony Stark Needs a Hug Fluff and Crack
The timeline has been altered, Infinity War is cancelled, and our favourite heroes are all alive.You know what that means? Loads and loads of Domestic Fluff. And terrible humour. And a bit of crack, with a side serving of angst.Oh, and memes. And vin...
Unconventional

Unconventional

Gen
G
Updated
29.04.2025
Fandom
Marvel Cinematic Universe
Characters
Tony Stark, Pepper Potts, Jarvis (Iron Man movies), Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Thor (Marvel), Loki (Marvel), Nick Fury, Phil Coulson, Jane Foster (Marvel),
Tags
Tony Stark Has a Heart Help Crossdressing My poor babies Howard Stark's Bad Parenting Science Bros this is super old like the original Avengers old I don't even remember what is in here Moving from FF rereading so I can tag better Pepper is Alpha
A series of one shots. Life of the Avengers according to the Military Alphabet. Goes over friendships, relationships, ups and downs, and just plain mayhem that follows the Avengers. Originally posted on FF back in 2013/14.
Excelsior

Excelsior

M/M
G
Updated
29.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies) Welcome to Night Vale
Characters
Tony Stark, Pepper Potts, James "Rhodey" Rhodes, Carlos/Cecil Palmer, Carlos (Welcome to Night Vale), Cecil Palmer, Tony Stark/Carlos, Tony Stark/Cecil Palmer, Tony/Carlos/Cecil
Tags
Rating May Change Other Additional Tags to Be Added Tony Stark Has a Heart Polyamory Threesome - M/M/M I'm Bad At Titles Feels Science Bisexual Tony Stark Not Steve Rogers Friendly Science Bros
Tony Stark has come to Night Vale with two goals:1) Save the world2) Save the scientistA strange radio show host just might be the key to doing both.
This Has Already Happened

This Has Already Happened

M/M
G
Updated
29.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies)
Characters
James "Bucky" Barnes/Steve Rogers, Bruce Banner/Tony Stark
Tags
Avengers: Endgame (Movie) Spoilers All will be explained Science Bros canonical AU it's the end of the world as we know it Tony is happy so you know that things are really terrible also did we mention that Steve has a time machine? oh and yes the story runs backwards rocks fall everybody dies but seriously: everybody dies
"There are absolutely no circumstances in which I give the Time Stone to you," the Wizard gasps. "None. Nada. Zip. Choke on that, you sonofabitch."
Are We Really Gonna Do This Here

Are We Really Gonna Do This Here

Gen
G
Updated
29.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies)
Characters
Original Female Character(s), Original Male Character(s), Tony Stark, Jarvis (Iron Man movies), James "Bucky" Barnes, Steve Rogers, Sam Wilson (Marvel), Natasha Romanov (Marvel), Bruce Banner, James "Bucky" Barnes/Tony Stark, Avengers Team (MCU), Hydra Agents
Tags
Fluff Tony Stark Has a Heart Tony Stark Has Issues Bucky Barnes Needs a Hug Bucky Barnes Has Issues Tony Stark Needs a Hug The Author Regrets Everything Mild Language My First Work in This Fandom The Author Regrets Nothing Platonic Relationships Bucky Barnes Recovering
Tony finds the Winter Soldier shortly after the events in DC. He promptly adopts him via fruit baskets and stuff.I'm to lazy to write a good summary but please read.Based off of the prompts: First Meeting / “Are we really gonna do this here?” / Secr...