Iron Man Xbox 360 Unlockables

Complete all missions on Easy difficulty (or harder)

Complete all missions on Normal difficulty (or harder)

Complete all missions on Formidable difficulty

Destroy stockpiled Stark weapons in the Escape mission

Destroy drones without civilian damage in the First Flight mission

Destroy all Prometheus missiles in the Maggia Compound mission

Avoid civilian casualties in the Flying Fortress mission

Protect the nuclear facility in the Arctic Battle mission

Avoid harming the destroyer and its crew in the Lost Destroyer mission

Avoid disrupting the city's power supply in the On Defense mission

Protect outlying occupied buildings in the Save Pepper mission

Prevent cannon attacks on civilian targets in the Island Meltdown mission

Sever the tether before the satellite overloads in the Space Tether mission

Destroy power regulators in the Iron Monger mission

Complete Hero Objectives for all missions

Complete the One Man Army vs. Ten Rings challenge without an armor breach

Complete the One Man Army vs. Maggia challenge without an armor breach

Complete the One Man Army vs. Mercs challenge without an armor breach

Complete the One Man Army vs. AIM challenge without an armor breach

Complete the One Man Army vs. AIM-X challenge without an armor breach

Destroy all dropships before the Stark Gunship is stolen in the First Flight mission

Destroy all convoy vehicles in less than 2 minutes in the Stark Weapons mission

Destroy all Prometheus missiles within 10 minutes in the Maggia Compound mission

Destroy a Prometheus missile by destroying a fuel truck in the Maggia Compound mission

Defeat 20 soldiers in the Arctic Battle mission

Defeat a soldier using the Unibeam

Defeat Titanium Man before his second recharge in the On Defense mission

Complete a mission (other than Escape or First Flight) without an armor breach

Destroy any target using a ramming attack

Successfully grapple and throw a plane

Damage or destroy another enemy while grappling a SAM launcher.

Damage or destroy another enemy while grappling a howitzer.

Successfully grapple an opponent in the Hulkbuster armor

Defeat an opponent using the ground pound in the Extremis armor

Defeat Titanium Man using the Classic armor

Defeat Iron Monger using the Silver Centurion armor

Complete any mission (other than Escape) without using weapons systems

Spare the US fighter pilots in the Stark Weapons mission

Protect warehouse workers in the Maggia Factories mission

Unlocked by Default

Beat the "One Man Army vs. Ten Rings" Challenge

Beat the "One Man Army vs. Mercs" Challenge

Beat the "One Man Army vs. AIM" Challenge

Beat the "One Man Army vs. Maggia" Challenge

Beat the "One Man Army vs. AIM-X" Challenge

Beat the Mission "Showdown" (or beat the game, since "Showdown" is the last mission)

Have a "The Incredible Hulk" savegame on the HDD.