Voiced by: Nolan North First Appearance: Ultimate Avengers: The Movie
With his ego as inflated as ever, Giant Man was trying to out-do himself and began experimenting on himself in an attempt to grow beyond 60 feet, despite the fact his organs would fail him if he did.
He and Janet had been struggling with their marriage due to his ego. When she was injured in an attack by The Chitauri, he vowed to be the husband she always wanted him to be. He later sacrificed himself to take down The Chitauri Mothership, suffering from massive internal injuries in the process.