Man Ii: Iron

Six months after revealing his secret identity to the world, billionaire Tony Stark faces mounting pressure from the U.S. government to surrender his Iron Man technology for military use. While maintaining a confident public persona, Tony is privately dying; the palladium core in his chest's arc reactor is slowly poisoning his blood, and he cannot find a safe replacement. Rising Conflict and New Enemies

The film concludes at the Stark Expo, where Hammer unveils a fleet of military drones and a heavily weaponized Mark II suit (now War Machine) piloted by Rhodes . Vanko hacks the drones and Rhodes' suit to attack Tony, but Natasha Romanoff manages to break into Hammer Industries and restore control to Rhodes . Iron Man II

: Vanko attacks Tony during the Monaco Historic Grand Prix. Though Tony defeats him using a portable briefcase suit, Vanko succeeds in showing the world that Iron Man is vulnerable. Six months after revealing his secret identity to

: Iron Man and War Machine team up to destroy the drones and eventually defeat Vanko in his own upgraded armor. Rising Conflict and New Enemies The film concludes

S.H.I.E.L.D. Director Nick Fury soon reveals that Tony's new assistant, "Natalie Rushman," is actually undercover agent Natasha Romanoff (Black Widow). Fury provides Tony with Howard Stark's old research, leading Tony to discover a hidden diagram within an old Stark Expo model. Using this, Tony synthesizes a new, non-toxic element that saves his life and powers his latest armor. The Battle at Stark Expo