I do not own 'Ant-Man' or any of the characters, all rights to Marvel! I only own Tess and her storyline :) Here's the full summary:

"Out of all the jobs out there, why did you have to be a cop?"

"Why did you have to be a criminal?"

"Okay, you've got a point..."

He's a criminal, she's a cop - Scott and Tess Lang. While she works for the San Francisco Police Department upholding the law, he tends to break it. And being the protective older brother he is, he's also not thrilled that things are becoming more romantic between her and her work partner, also a cop, and who is Scott's ex-wife's best friend... But he'll do anything to see his daughter, so how will Tess react when she discover's her brother's a superhero? PaxtonxOC and lots of sibling moments with Scott :) I just watched this movie again (so good!) and was inspired! I do not own 'Ant-Man'!

Thanks and I hope you enjoy!

1. Birthday Surprise

"Mommy! Auntie Tess! Daddy's here!"

Upon hearing this, Maggie spit out some of her drink, followed by a coughing fit.

"He came to surprise me for my birthday! Look what he got me!" She proudly showed off her new toy to her mother and aunt - a funny-looking rabbit that when you pressed it, said, in an equally funny voice, "You're my bestest friend!"

"I'm going to go tell Daddy you're happy he's here!"

"No Cassie, wait-" Maggie tried, but her daughter was already out of the kitchen, rabbit in hand.

After exchanging a glance with Maggie, Tess followed close behind her excited niece. She peeked around the doorway. "Did I hear that Scott Lang was here? The Scott Lang?"

"Hey, it's Little Lang!" He hadn't made it far, Paxton having trapped him by the door.

"Come here Scotty!" Tess went and wrapped her big brother up in a hug. It was good to see him.

"You look good."

"Thanks, you too. Except for this-" She brushed the cut above his eyebrow.

"Oh yeah, it's a good story-"

"Yeah, I'll bet," muttered Paxton.

Scott shot him a look. "Look, the child support is coming, I promise-"

"Scott!" They turned to see Maggie marching out of the kitchen.

"See, he's here!" Cassie cried, practically jumping up and down.

Maggie scrutinized her ex-husband, arms crossed. "Yes he is. Cassie honey, go and play with your friends okay. Show them your new - toy..."

Cassie didn't need to be told twice, and skipped off down the hall, leaving the adults.

"Well at least two people are excited to see me," Scott mumbled.

"Scott-"

His face broke out into a wide smile. "Maggie!"

"What are you doing here?"

"Surprise!"

"You can't just show up here, you know that."

"It's a birthday party."

"Yeah I know but you can't just show up-"

"She's my daughter."

"You don't know the first thing about being a father," said Paxton.

"Oh and you do?" Scott shot back. He turned to his ex-wife. "Maggie, I'm telling you this as my friend and first love of my life-" Then he turned to his sister. "-And Tess, I'm telling you this as my friend and sister - your best friend-" He looked at Maggie. "-And your work partner-" He looked at Tess. "-Is an ass-hat."

"A what?"

Tess tried to stifle a snort of laughter at this while Maggie said, "he's not an ass-hat."

"Hey," protested Paxton. "Watch your language, okay."

"Yeah," agreed Tess, still laughing. "There's literally children everywhere."

"Language? What language? I said 'hat'."

"Okay Scott-"

"Alright!" Tess stepped in, sensing things were only getting worse. She clapped her hands together. "Who wants cake?"

Scott raised his hand.

"Scott, outside now-" With that, Maggie ushered him out onto the front porch.

"Can I at least have a piece of cake-" Maggie slammed the door behind them.

"This is so like him." Paxton shook his head. "Showing up unannounced and uninvited."

"He just wants to see Cassie. And it's her birthday, if you haven't noticed."

"You're encouraging him."

"Well you could lighten up a bit." She smacked his chest. "And besides, give me a break, he's my brother. I'm no happier about his situation than you are, but he's still my brother."

Cassie appeared again. "Where did Daddy go?"

"He's just talking with your mom."

"Is Mommy mad at Daddy, Auntie Tess?"

"No, she's just surprised, that's all," she assured her niece.

"He was invited to my party, right?"

"Of course he was."

"Uncle Jim said he wasn't."

Tess shot him a look. "I'm sure he was invited, he's your father," she said, turning back to Cassie. "Don't worry. Now go on and enjoy your party."

Cassie nodded before going off to join her friends again.

"Really?" Tess said, turning to Paxton.

"It's true, he wasn't invited."

"Yeah but Cassie doesn't need to know that." He just shook his head. "Look, I don't actually think you're an ass-hat or whatever."

"Thanks."

"Look, we're not even on duty, okay. Lighten up and enjoy the party. Have fun! Now I'm going to go get some cake before the kids eat it all."

Hello and welcome to my latest story! :) After watching 'Ant-Man' again (so good and so funny! I hadn't seen it since it was in theaters, and now I'm even more excited for the sequel!) I couldn't help but become inspired and want to write this! The first part of this story will probably be pretty short, but I'll add some scenes of my own :) but I will also probably continue this into 'Civil War', 'Infinity War', and 'Ant-Man and the Wasp'! Hope you all enjoyed the first chapter, thanks so much for reading - bye!