Symbiote FanFiction

The Creation Files of Subject XII

The Creation Files of Subject XII

Gen
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe
Characters
Original Characters, Original Non-Human Character(s), Symbiote
Tags
Emotional Manipulation Abandonment Screenplay/Script Format Child Abandonment Non-Graphic Violence Unethical Experimentation Experimentation Surgery (symbiote only makes brief appearances- also its not venom or any of the others) (xii very much is childlike at this stage and Doctor is a father figure to him)
Files recovered from the abandoned Biolife Facility, regarding the creation of Subject XII.
The Lucky Spider

The Lucky Spider

F/F
F/M
G
Updated
28.04.2025
Fandom
Marvel Spider-Man: Spider-Verse (Sony Animated Movies) Marvel's Spider-Man (Insomniac Games Video Games)
Characters
Original Female Character(s), Peter Benjamin Parker, Miles Morales, Harry Osborn, Other Character Tags to Be Added, Other Relationship Tags to Be Added, Original Symbiote Characters (Marvel), Gwen Stacy | Spider-Gwen, Peni Parker (Spider-Man: Into the Spider-Verse), Venom Symbiote (Marvel), Peter Benjamin Parker | Spider-Man Noir, Peter Parker/Mary Jane Watson,
Tags
Alternate Universe - Canon Divergence Other Additional Tags to Be Added Swearing
Lumi's luck wasn't always the greatest, from not being able to land a steady job, to having random stupid crap happen to her. Because of this, she wasn't surprised when bring in the wrong place at the wrong time, nearly involved with a crash as a tru...
Chicken

Chicken

F/M
G
Updated
29.04.2025
Fandom
Marvel Cinematic Universe Marvel Spider-Man - All Media Types
Characters
Peter Parker, Ned Leeds, Michelle Jones, Peter Parker/Reader, Spiderman/Reader, Symbiote
Tags
Unrequited Love How Do I Tag Author Is Sleep Deprived I Don't Even Know The Author Regrets Nothing I Tried Female Protagonist Inspired by Venom (Movie 2018) endgame didnt happpen
Your friend made a scene.*Originally posted in September of 2019, it has since been updated in April of 2023 with minor changes to the story, and grammar errors have been fixed. Chapter 2 is an announcement.*
reverse faults

reverse faults

Other
G
Updated
29.04.2025
Fandom
Marvel Cinematic Universe Spider-Man - All Media Types Marvel (Comics)
Characters
You, Symbiote, You/Symbiote, You/Original Character, Reader/Symbiote, Original Character Symbiote
Tags
Not Canon Compliant Flashbacks I'm Sorry Dysfunctional Relationships Graphic Description power struggles Graphic Violence Symbiote - Freeform very dark abusive behaviour Mentions of Abusive Relationships somewhat unrelated work
a symbiote has to bond in order to survive. it matters little what their own goals are; sometimes, they might be able to influence.other times, they are the ones being influenced.a host can become parasitic as well.---a self indulgent exploration of...