Years after Tony Stark’s sacrifice in Avengers: Endgame, the world struggles to fill the void left by Iron Man. Stark Industries has become a target for global tech espionage, and a new genius — Harley Keener, mentored by a holographic backup of Tony Stark’s consciousness — steps up to protect his mentor’s legacy. As Harley rebuilds and upgrades the Iron Man tech with help from Riri Williams (Ironheart), they uncover a secret Tony never had time to face: an unfinished Stark protocol codenamed “LEGACY” — designed to fight advanced threats beyond Earth’s current defense capabilities. Meanwhile, Ezekiel Stane, son of Obadiah Stane, resurfaces with stolen tech and a twisted version of the arc reactor. With the help of a corrupted A.I. modeled after Tony’s mind, he begins dismantling Stark’s legacy from within. Harley and Riri must battle not only a new generation of armored villains but also confront the question: Is it right to keep Tony’s mind alive forever? Or should Iron Man finally be laid to rest? The final act sees Harley donning a new suit — Iron Man Mk Infinity — built from Stark’s untested nanotech and Riri’s ingenuity. Together, they stop the corrupted A.I., preserve Stark’s legacy, and pass the torch… with Tony’s voice fading into silence for the last time.