Iron Man 2
With his identity public, Tony Stark resists government pressure to hand over his armor while palladium in his arc reactor slowly poisons him. He faces Ivan Vanko, whose tech Justin Hammer exploits, and finds a new element in his father's research.
Worlds visited
Characters
Iron Man, Pepper Potts, War Machine (James Rhodes), Black Widow (Natasha Romanoff), Justin Hammer, Ivan Vanko, Nick Fury, Happy Hogan, Howard Stark, Phil Coulson