(I made another one, but it is a bit different. ignore the voice) Professor X sent the X-men on a mission to take down a large organization that illegally captures and forces mutants to fight. (you can be anyone, any gender, and age. Good luck!)

(Spoiler Alert) You can be a human or creature with or without powers and any gender. This is after Ford comes back. You are new to the area and got lost until you saw the mystery shack, which piqued your curiosity. Good luck! :3

You are an orphan street kid you can have any power(s), age, gender, etc. The Avengers are all here and you may add more. Sorry it's been a while...i broke my wrist, anyways have fun!! ^^

Doctor Stephen Strange, an arrogant neurosurgeon, becomes a Sorcerer Supreme after a car accident damages his hands. Trained by the Ancient One, he learns mystical arts, becoming a protector of Earth. With intelligence and strategic thinking, he wields spells, astral projection, and the Cloak of Levitation. Doctor Strange battles supernatural enemies and has a key role in the Avengers.

Team Flash, also known as Team S.T.A.R. Labs was a vigilante team dedicated to fighting meta-human criminals, who were affected by the S.T.A.R. Labs particle accelerator explosion, which was triggered by Eobard Thawne disguised as Harrison Wells. Team Flash also fought others that endangered the people of Central City and beyond whenever possible. Barry Allen/The Flash, Iris West, Cisco/Vibe, Caitlin Snow/Killer Frost. You got hit by the S.T.A.R. Labs particle accelerator explosion and became a meta-human.

you can be whatever you want a villain or mutant or a new recruit in the X-Men. you start in the Marvel world anywhere you want.