The Marvel Cinematic Universe is poised to enter a bold new phase with Iron Man 4: Legacy of the Arc Reactor. This much-anticipated sequel introduces Morgan Stark, Tony Stark’s daughter, as the next bearer of the Iron Man mantle.

Directed by Jon Favreau, who launched the MCU with the original Iron Man, the film promises a blend of emotional storytelling, cutting-edge action, and a deep dive into Tony Stark’s enduring legacy.

Set years after the events of Avengers: Endgame, the story follows Morgan Stark, portrayed by Katherine Langford, returning to the MCU as a brilliant teenager grappling with her father’s legendary reputation.

Having inherited her father’s intellect and love of technology, Morgan faces immense pressure to honor his legacy while forging her own identity.

The plot unfolds as Morgan discovers a hidden workshop Tony left behind, filled with advanced technology and unfinished projects. Among them is an experimental suit dubbed “Ironheart,” tailored specifically for her.

As Morgan delves into the suit’s capabilities, she uncovers a conspiracy involving Stark Industries’ former rivals and a shadowy new antagonist intent on exploiting Tony’s inventions for their own sinister purposes

Ironheart (Riri Williams) is a fictional superhero appearing in American comic books published by Marvel Comics. The character was created in 2015 by writers Brian Michael Bendis, and artist Mike Deodato, and later redesigned by Eve Ewing and Kevin Libranda.

Dominique Thorne is set to portray Williams in the Marvel Cinematic Universe streaming television series Ironheart, which is currently in development for Disney+.

Riri Williams is a 15-year-old engineering student and the daughter of the late Riri Williams Sr. Following her father’s death, Riri lives with her mother Ronnie and her paternal aunt Sharon in Chicago.

A certified super-genius, she attends the Massachusetts Institute of Technology on scholarship. Working alone, Riri designs a suit of armor similar to the Iron Man Armor using material stolen from campus. When campus security knocks at her door, she flees while wearing the suit.

When Williams prevents two inmates from escaping the New Mexico State Penitentiary, her suit is damaged. Upon returning to her mother’s house, Riri continues to work on improving the suit, much to the dismay of her aunt. Tony Stark hears of Riri’s accomplishment and goes to meet her. During their meeting, Stark decides that he will endorse her decision to become a superheroine.