Hey I just had this idea and now this Fanfiction has been born! So it's an AU and Peter is a girl, that has plot, and I have a lot of plans for this story. Now enough talk! Lets read and let me know what you all think! Please!

"Richard, I really think this is a bad idea. What if Norman finds out!" A woman whispered urgently.

"Mary, it will be fine in the long run. This is what the world will need, Emily said she would help if we don't make it." Richard said back to his wife.

"She's a child!" Mary all but screamed at him. "We can't do this, it's not right!"

"We have no choice!" Richard roared back. "She will save people's lives one day, she will become so much more! I know that it is morally unjust, but if we don't do this than Norman will win, and I don't even know what else will happen the the world. It's a feeling in my gut Mary! We need to do this for the world, and something that's greater than us!"

Mary was torn at her husband's claim. She felt the same thing in her gut that if they didn't do this now, unimaginable things will come to pass. Didn't mean she had to like it.

She turned away and slowly made her way up the stairs, she paused halfway and looked down at Richard, tears in her eyes.

"I know your gut right, that feeling, I've had it too. You're right, I know that but I'm scared. I know we have to do this for so many people, but I hate taking choice away from her." She stated, just barely above a whisper.

"I know Mary." He replied with tears in his eyes as well, "I hate to do this to her, but we need to. Maybe when she does find out she will understand." Hope made its way into his tone.

His wife nodded, "Get the case."

"Okay." He said before making his way toward a silver case on the kitchen counter.

Mary turned around again and finished climbing the stairs. She turned left and made her way to the last room of the hall. She slowly opened the door and looked inside. A young 4 year old girl was sound asleep in her Star Wars themed bed. Auburn brown hair that just made it past her shoulders, and in a red T-shirt and blue pants to sleep in. Her two favorite colors.

Her husband came up behind her and she could hear his breath catch at the sight of their daughter.

Petra Parker.

She was so beautiful and was so peaceful. So so smart for her age, able to read high school level science and understand perfectly, has built a working robot dog that she showed her teacher last week, yet so modest wanting to stay in the same grade as her best friend, Ned Leeds, and be like everyone else even though they bully her for being so much more.

Mary nearly burst into tears as Richard started toward her sleeping form. He put the case down beside her bed, and stroked her bangs away from her face, he took a deep breath and kissed her forehead.

"I love you, so much!" He whispered to her. She shifted, but didn't wake.

Mary moved forward toward her also, getting on her knees next to her husband. She put her hand on her cheek and whispered, "I'm so sorry, my perfect baby,"

Richard opened the case that revealed a syringe filled with purple liquid. "With this in her bloodstream, when the spider bites her it won't kill her. Just make her sick most likely. This has her own DNA in the formula, this and the spiders when I created them. Only she can be bitten by them and survive, and Emily has the chosen spider closed off until it's time. When the spider bites her she will become the perfect blend of cross species genetics."

Mary only nodded as he moved the needle to their daughter's right arm. Her lifted it up and aimed it to the vein. He took one last steadying breath and pierced her skin, and slowly started to inject the serum.

Petra made a noise and started to fuss in her sleep. Mary grabbed her head and began to stroke her hair and say sweet nothings to the young girl. Just as soon as it started it ended. Every last drop of the serum that they had spent their whole lives creating for Norman Osborn, before they learned what he was. The last of their research that they hadn't sent up in flames to keep Norman away from it, was gone.

There was no going back from this.

Mary let out a half breath half sob as she looked at her daughter's face. It was starting to twist into some form of a grimace, as Richard pulled the needle from her arm.

They both stood as their daughter squirmed around on the bed, her breathing picked up, and she started to sweat. Mary bit her lip in worry and looked at her husband for any form of reassurance. Richard just forced a smile for her sake.

"Her body needs time to adjust to the serum. She will be really sick for a few days at least."

Mary nodded as she looked back at her daughter as she began to gasp for air and shake. Mary was openly crying now she gripped Richards arm with what felt like enough force to bend steel as she watched her baby girl suffer.

"We're in the Endgame now."

Okay people that's the first chapter! Hoped you all liked it because I've had this idea in my head for a while and I just needed to get in down on paper and now it's here so yay! Now the first like 3-4 chapters are going to be backstory before we get into the MCU Tom Holland timeline with my own unique twists. You will see them don't worry. Now I'll stop talking but please review and tell me what you all think so far! I would love it so thank you!