The Mandarin has captured Iron Man and learns his true identity. The rest of Force Works arrive at the Mandarin's citadel in a rescue attempt, but are captured. The Mandarin is now ready to complete his plan, using their energies to power the Heart of Darkness. But Tony manages to escape to Jim and Su-Yin, who helps build an armor immune to the anti-technology field. Iron Man and War Machine are now ready for the final battle.

The Mandarin has reclaimed all ten rings and plans to turn Earth back into a pre-technology society using an anti-technology field, with him in charge. He demonstrates the power of the field by disabling New York City and Iron Man himself. Unable to defeat him alone, Tony brings the Force Works team back together.

One of the Mandarin's missing rings creates a time rift and Julia gets sucked in. Iron Man manages to recover the ring with Bruce Banner's help, but before Julia can be saved, The Leader steals it and now possess two of the Mandarin's rings. The Leader plans to travel back to before the gamma bomb detonation and gain the power of the Incredible Hulk.

Modok has found one of the missing rings, but the Mandarin soon reclaims it. While Iron Man uses H.O.M.E.R. to find where Modok is hiding, the Mandarin uses his rings to see what Iron Man has been doing in recent months.

Iron Man's quest to disable all armored warriors continues, even going against War Machine. Justin Hammer, who leaked Stark's armor secrets, creates a massive armored warrior named Firepower to stop Iron Man and destroy Stark Enterprises. The only way Iron Man can take Firepower down is with new exo-armor.

Tony discovers the Crimson Dynamo's armor possessed secret Stark technology. Thinking others could be using his technology to hurt people, Tony goes after every known armored warrior, whether hero or villain.

An unmanned alien ship arrives on Earth with a message begging for Iron Man's help against Dark Aegis. Iron Man is determined to help, since it was he that left Dark Aegis adrift in space, and readies the ship for take off. Jim, who is determined to conquer his fears, suits up as War Machine again to accompany Iron Man. But a dangerous stoaway threatens their mission.

Hawkeye's spine is wounded in a battle with Ultimo. Iron Man shrinks down to molecular size to implant a chip that will save him. But no one knows is that a mysterious Hacker is in control of Ultimo and now H.O.M.E.R. too.