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: In Russia, Ivan Vanko (Whiplash) builds his own arc reactor-powered electrified whips to avenge his father, Anton Vanko, who was once Howard Stark's partner before being deported for espionage.

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 Iron Man II

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 . : In Russia, Ivan Vanko (Whiplash) builds his

: Iron Man and War Machine team up to destroy the drones and eventually defeat Vanko in his own upgraded armor. Fury provides Tony with Howard Stark's old research,

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

Believing he is near death, Tony becomes increasingly reckless, eventually getting drunk in his armor during his birthday party. His best friend, James "Rhodey" Rhodes , intervenes by donning a prototype Mark II armor. The two fight, and Rhodey ultimately confiscates the suit for the U.S. Air Force.