Superstar writers Mark Waid & Kieron Gillen join blockbuster artists Mark Bagley and Luke Ross for a gamma-bomb sized collision. The events of Original Sin have released the greatest secrets of the Marvel Universe. And Bruce Banner is about to learn a secret that's stayed buried for a long time. A secret that goes back to that fateful day that gamma radiation turned man into monster:
Was Tony Stark responsible for creating the Incredible Hulk?
Bruce Banner and Tony Stark are in for an emotional rollercoaster thanks to the events of Original Sin. The secret history of that fateful day stands revealed, and it's about to set Hulk and Iron Man on a deadly collision course. When the dust settles - who will be left standing?