requested by wholockedharry

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 "I do not understand why I cannot teleport us into the top of Stark Tower, Thor," Loki grumped as they waited for Tony to open the door to his penthouse. Sarna was starting to get fussy. She wanted to know what was going on! All her parents told her was that she was going to visit her uncles because they had a surprise. Loki put her down, but kept a firm grip on her hand.

"Because, Loki, there what civil people call good manners," Thor huffed back.

Loki scoffed, ”Since when have you ever cared about civility, my love?”

Whatever Thor was going to retort was cut off by the door opening. Tony Stark looked exhausted, like he hadn’t seen good night’s sleep in a few months, but he look happy especially when he saw Sarna. 

"Hey there, Cupcake!" 

"Uncle Tony!" Sarna reached out for him to pick her up and Tony obliged. He was the only one she would still allow to hold her.

"Come on in you two! The rest of the crew’s in the living room," Tony said moving so Thor and Loki could make their way in.

When they arrived Steve was sitting on the couch, holding he and Tony’s newly adopted daughter in one arm. Sam was on his left with Howard on his lap and Bruce and Clint and Natasha with Katniss’ arms wrapped around Clint’s neck on his right. Bucky was standing behind the couch making faces at the children.

Even that one eyed director came, Loki noticed. 

"Sar!" squealed Howard when he saw his father walk in holding Sarna. He got down from Sam’s lap and ran over to his friend and Katniss upon seeing Sarna let go of her father and did the same.

"Howie! Kat!" Sarna squealed back. Tony put her down, it was time to let the little ones go off and play for a while.

"Behave yourself, love," Loki said as his daughter walked past.

“I know Daddy.”

"And no going in the lab!" Tony warned.

"Yeah Dad, I remember!" Howard sighed. He and the other two went to his play room.

"What’s everyone so happy about, Howie?" Sarna asked. 

Howard was looking through his pile of video games for his racing game, “Oh they just think my little sister is great, is all.”

Sarna’s ocean blue eyes got wide with excitement, finally she had someone she could ask besides her papa on what’s like to be a big sibling. She wanted to be well prepared for when her little brother came so she started firing out questions “What is her name? What is she like? Is it hard being a big brother? Does she always want your stuff? What does she eat? Does she make a lot of messes? I hate messes! Well, I hate cleaning them. And everything always has to be neat! My papa is always telling daddy ‘She is definitely your daughter Loki.’ and that is true so I do not understand-“

"SARNA," Katniss shouted, "Can you let Howie talk?"

Sarna closed her mouth and blushed. Katniss didn’t speak much, but when she did it was either to filter Sarna or tell a truth. 

"Sorry, Howie."

"It’s okay," Howard laughed, "Well, my sister’s name is Peggy and she’s, um, ok I guess. I mean I like her a lot when she’s sleeping but she wakes up a lot at night and makes a lot of noise. Sometimes it’s funny to watch my fathers try to calm her down but she makes them really tired all the time. Like this one time she made Dad so tired in the morning, that he fell asleep while he was welding something and the lab caught on fire! Pop didn’t find it as funny as Daddy and I did."

"Oh…" Sarna wasn’t sure if she wanted to be a big sister anymore. It sounded dangerous and she liked danger, but this sounded excessive.

"It's always really funny when they yell at Peter for webbing her mouth closed. Pop lets him do it sometimes, though."

"So are we going to play or not?" Katniss asked. She had heard this story already and was getting bored.

"Oh yeah!" Howard said. He reached for his PS4’s power button, "Just let me-"

BOOM