Tony wakes up in the Mainframe, a virtual world created by the Controller in a plan to enslave the city—but to reach his goal, he needs Extremis.

In order to keep Stark International from being repurchased by the Starks, an increasingly insane Justin Hammer unleashes Titanium Man on his former henchmen (whom he suspects to be blackmailing him to give up Hammer Multinational) and develops a sinister zombie gas as his latest weapons project.