Iron Man 2 achievements

Defeat 100 enemies in close combat.

Defeat a soldier with Iron Man's unibeam.

Defeat 100 enemies with War Machine's minigun.

Save all four repulsor lifts and all four stabilizers on the S.H.I.E.L.D. Helicarrier.

Defeat 100 enemies with Iron Man's repulsor.

Unlock the Classic Iron Man armor.

Unlock the Ultimate Iron Man armor.

Defeat ULTIMO.

Reach the bottom of the elevator shaft without touching a laser tripline.

Complete every mission on Easy difficulty.

Shut down GREENGRID without needing to repair the Arc Armiger.

Prevent the first wave of Roxxon dropships from deploying their drones.