America Chavez was raised by her mothers in the Utopia Parallel, a reality out of time and in the presence of the Demiurge. As a toddler, she inherited her superpowers from the Demiurge's ambient magical presence. When America was approximately 12-years-old, the Utopia Parallel was threatened by destruction of their all-seeing god Demiurge. America's mothers sacrificed themselves to seal the black holes the god created resulting in their particles being smeared across the Multiverse itself. Wanting to prove herself as a hero and knowing her Utopia didn't require salvation, America ran away from her home and her responsibilities.She traveled across different realities, eventually reaching an unfamiliar planet called Earth where she was found by Tony Stark who took her under his wing. She was given a new home by Stark in return of her watching over Queens as Miss America and in the future, becoming an Avenger. While living in Queens, she attends school with the young Peter Parker who she soon learns is Spider-Man, which completely throws off her game.
America Chavez (renamed Lily Flores by Tony Stark) is portrayed by Amandla Stenberg.
CJ first met Tony Stark when she was only 12, after breaking into his lab and stealing many of his weapons.
A year later, after trying and failing to defeat Thanos, CJ is left alone with Tony Stark for 3 weeks and forms a close bond with him.
5 years on, Peter Parker returns to find his 13 year old sister is now the 18 year old daughter of Tony Stark.
Post Spiderman: Homecoming to Post Endgame
Films covered (kinda) :
Infinity War
Endgame