Background: Peter had a twin sister, Pearl, (thought is was going to be Penny didn't ya! I wanted something different) but after their parents died when they were 4 years old, they were both sent to different orphanages. Peter one for boy. His sister one for girls. They were both so young when it happened they never realized the other existed until fate brought them together.

_____________________________________________________________________

"Come on Pearl! A couple is here wanting to adopt one of us." Jenna yelled into Pearl's room. 

Pearl rolled her eye. "No one is going to want me," she thought. "People always want the cute little kids not some scrawny looking 14 year old." She grabbed her book and went downstairs. She stopped short when she saw the "couple". In front of her were Steven Freaking Rogers and Natasha Freaking Romanoff (by necessity I ship these two. Also I cant really see Nat taking Caps last name) 

"Hello. What is your name?" Nat asked Pearl holding out her hand

"P-Pearl." she stuttered as she limply shook Natasha's hand, hardly believing she was meeting her heros. 

"Nice to meet you Pearl. I'm Steve and her name is Natasha. What are you reading?" Steve asked seeing the book in her hand

"Oh nothing." Pearl showed the rather thick book to Steve.

"Human Anatomy Basics. This a college textbook. Can you understand this?" 

"Ye-yes. I want to go into the medical field when I get older." Pearl was proud of her intelligence just hoped it wouldn't repel them. 

"Well you are definitely in the running for being the girl we choose. Would you like to go home with us? I think there is someone you may enjoy talking to." Nat asked with a smile.

"You two are my heroes!  I would love to go home with you!" 

"Well so far you're our favorite." Steve assured her. 

As Pearl watched Steve and Nat talked with the other girls, she went through everything that she did wrong. After a few minutes, Steve and Natasha returned. "Well you still want to come home with us?" Steve asked with a smile. Pearl barely could contain her excitement.

 "Why don't you go pack while we fill out the paper work." Nat told Pearl with a smile. Pearl ran to her room and started packing all of her things. It took a bit because she had never thought she was going to be adopted but she borrowed some boxes for the other kids and got it all down and packed right as Steve and Natasha came to get her. She was very carful about hiding her baby blue and white sweater and mask that she wore during her nightly "exertions". Steve and Natasha helped her load her stuff into the car. As they drove Pearl had finally got over she star-struckness which resulted in her talking nonstop the whole way to the tower. 

 "The main question I still have is why did you pick me? There was many other girls there. Why me?"

"Well. We wanted a girl who was old enough to stay home by yourself when we are on missions You were humble, kind and respectful." Steve started

"The fact that you're studying a college textbook show you are willing to learn. By the way can we teach you how to defend yourself?" Nat asked

"Sure!" Pearl replied excited not only to spar with Nat but more importantly to improve her fighting skills. She could fight just not much hand to hand.

"And you won't always be  alone, if Tony got as lucky as we did," Steve said. 

"Yeah. Today is hopefully going to be a double adoption date for the avengers. Tony and Pepper went to adopt a boy from a local orphanage." Natasha explained.

They got home about the same time as Tony did. So all of the team was called to the common room to meet the new additions to their family. "Everyone meet Peter." Tony said showing off the fourteen year old boy. 

"And this is Pearl." Steve said. "Judging by your excitement when we meet you know everyone here already?" Pearl nodded as well as Peter for his answer was the same. As soon as Peter caught Pearls eye, they stared at each other. 

"You look familiar." Pearl said after a moment of looking. 

"I was thinking the same thing." Peter said. 

"I just can't seem to place where though." Pearl replied. 

After another moment they both sighed. "Well if it comes to you let me know." 

The two kids were shown to their room and their stuff was brought up. They spent the afternoon decorating their new rooms and, unbeknownst to the other, hiding their respective suits. After dinner the team asked the kids a varity of questions. "What are you interested in?" Bruce asked 

"Medical stuff. Neurology and psychology as well. I understand it okay." Pearl said 

Nat laughed. "She is being modest. She was reading a collage level anatomy textbook when met her." 

"Hey Peter was reading a college level physics and engineering textbook when we met him." Tony said with a smile. Pearl and Peter both blushed. 

"Well you are both welcome to anything in the labs and are welcome anytime." Bruce said as Tony nodded in agreement. Peter and Pearls eye lit up for the same reason. They just got permission for a gold mine of resources to feed their interests and improve their suits. 

They both went to bed about the same time.  As soon as they both knew they were safe to leave, they both told FRIDAY "you didn't see anything," and in Peters case swung out his window, and in Pearl's case jumped down the fire escape. When they were a block away Pearl yelled up to her friend vigilante in a red and black sweater with black goggles "Hey Spiderman. I thought you stayed over in Queens." 

Peter jumped down to see his friend in her baby blue and white sweater with a music note over her mouth. "Hey Syrine. I could say the same for you. Staten Island not enough for you anymore." 

Pearl had given herself the name Syrine after she found music helped her focus her powers better. Her powers were the ability to control and read peoples emotions and memories. She could get people to see their memories by shotting a beam of orange light from her hands. Most times she would stop villians by causes them to feel drowsy enough get them to sleep. She would sing to help she focus because most of the time her songs reflected the emotion and memory she was hoping to provoke. She had met Spiderman on one of her day time excertions but she had never known who was under that mask nor had she revealed herself.

"New place of residence. Going to Staten Island now. You?" Syrine asked. 

"Same. Where's the new place?" 

"Avengers Tower." Syrine said pointing back to the tower.

"Same. Wait you suddenly sound familiar.....Pearl?!" 

"Peter?!" 

"No way. What are the odds that out of the thousands of orphans in New York the Avenger adopted two with powers?" Peter laughed amazed.

Pearl groaned. "With my luck extremely likely." 

Peter laughed, "Peter Luck?"

"Pearl Luck. Have you told Tony?"

"Nope. Have you told Steve?" 

"Nope. I won't tell if you don't tell."

"The secrets is safe with us. You excited to use the lab to upgrade your suit." 

"Beyond excited."

"How about we meet back on the roof of the tower to get to know each other better at midnight or whenever one of us gets injured, call the other. "

"Deal see you then." With that Pearl ran toward Staten Island and Peter swung towards Queens. At midnight they met back at he tower. Peter didn't hear Pearl coming so he accidently shot her with his web. The strange thing was his web did nothing to her. It didn't stick to her. She felt it but it just slip off, kind of like slim. 

"That has never happened before." Peter exclaimed after apologizing. 

"That is weird. Let me try my powers on you." She thought for a moment, she wanted an emotion that Peter would not usually show to see if it worked. She thought, "anger". "Okay if this works you will feel it." She didn't want to tell him the emotion she was going for in fear it may skew the results. She shot her beam and softly sang Monster by Skillet. Nothing happened. 

"Was something  supposed to happen?" Peter asked after a moment. 

"Yes if it work you would be trying to beat me up. I have never had someone not feel the emotions."

"I have never had my webs not stick." 

"We must be special. How did you get your powers?" Pearl asked changing the subject. 

"Not really sure. They just appeared one day. You beams of light does remind me of something but I don't know what. How about you?" 

"Similar idea. One day I could hear and read peoples memories and feel and control their emotions. The orange light does feel familiar but I don't remember from what."

"Well we are just a couple of strange and special individuals." Peter said. 

"True. Shall we go inside?" Pearl said while carefully opening the door to the inside the tower.

"After you ma'am. " Peter bow in joke. 

_________________________________________

Okay this is part 1. I intend to write a part 2 where the avengers find them out and they find out they're  twins. Pearls hero name is based on the mythological creature sirens. Pronounced with a hard I and e. The idea I am going for is they both got their powers from accidently being shot by the soul stone . I chose the age of 4 because at that point they would remember each other but be unsure if it was real or their imaginations. Right now they believe its their imaginations. The title is a play on the idea of the "twin connection."

Please give me feedback. God Bless you and Happy Easter. He is risen.