But in one terrifying instant, his greatest invention becomes his greatest mistake. The lethal techno virus Extremis is out in the wild and out for grabs to the highest bidder! Introducing the Circle, a mysterious high-tech brotherhood of mech-knights, as Tony's hunt for the rogue Extremis Units takes him to the island of New Camelot! As he dogfights the secret Russian Black Exoskeleton Academy's greatest pilot, Iron Man must act fast...and Tony Stark must build faster! It's up to Tony to contain Extremis, and that means creating a new suit of armor...NOW!Collecting: Iron Man 1-5

    satellites! A post-nuclear warhead goes missing in the Middle East! And the Fury...yes, the unstoppable super hero-killing machine from Captain Britain...reappears deep inside Chinese territory! Can Hawkeye, Black Widow and Spider-Woman save Nick Fury and Phil Coulson from dying horribly in space? Will a wounded Maria Hill figure out what her uneasy ally M.O.D.O.K. is up to? Do the Secret Avengers have a prayer against the Fury? As death hits the Helicarrier, Black Widow faces Lady Bullseye...and Coulson goes rogue!Collecting: Secret Avengers 1-5