The story follows Carol Danvers as she becomes one of the universe’s most powerful heroes when Earth is caught in the middle of a galactic war between two alien races. Set in the 1990s, Captain Marvel is an all-new adventure from a previously unseen period in the history of the Marvel Cinematic Universe.
During a rescue mission in space, Jean is nearly killed when she is hit by a mysterious cosmic force. Once she returns home, this force not only makes her infinitely more powerful, but far more unstable. Wrestling with this entity inside her, Jean unleashes her powers in ways she can neither comprehend nor contain. With Jean spiraling our of control, and hurting the ones she loves most, she begins to unravel the very fabric that holds the X-Men together. Now, with this family falling apart, they must find a way to unite - not only to save Jean's soul, but to save our very planet from aliens who wish to weaponize this force and rule the galaxy.
Ironheart, AKA Riri Williams (voiced by Sofia Wylie), who is having difficulty adjusting to college life as the youngest student there then the college's engineering lab is demolished by an alien and kidnaps her best friend. Inspired by Iron Man, she develops a plan to save her friend. The special will also feature appearances by Iron Man (voiced by Mick Wingert) and a new character named A.M.I. (voiced by Melanie Minichino).