The First Appearance of Extremis! It's the beginning of a new era for Iron Man as the Armored Avenger's world for the 21st century is redefined...a landscape of terrifying new technologies that threaten to overwhelm fragile mankind! What is Extremis, who has unleashed it, and what does its emergence portend for the world?

The First Appearance of Extremis! It's the beginning of a new era for Iron Man as the Armored Avenger's world for the 21st century is redefined...a landscape of terrifying new technologies that threaten to overwhelm fragile mankind! What is Extremis, who has unleashed it, and what does its emergence portend for the world?