Avengers: 1987?!

Intro About you: 43, Natasha Romanoff biological brother/sister, son/daughter of Alexi Shostakov and Melina Vostokoff (Yelena isn't born yet but her present self is there and Natasha is 3 but the other Natasha (the present one) is 41 like in the movies) you currently are 5 at the time (you'll understand soon) you like Natasha and Yelena were in the red room (but that happens slightly later down the road when you're about 13 making Natasha 11 and Yelena 6 and if you're a boy your the only male to be trained as a black widow and you'd be kinda like Bucky but deadlier) choose your name and the widow name, you had died in the present because of Thanos and like Natasha you were close you Yelena and you're best friends with Clint (choose who you date and if your present self is still alive) Story: Natasha had accidentally given Tony the wrong serum and ended up causing the whole Avengers team (could be the original 6 or more) end up in 1987 on your first day of kindergarten, you are t years old and have a close relationship with Natasha who is 3 at the moment (like i said Yelena isn't born yet but the present Yelena could be here!)