Marvel once again poses the question, "What If...?" Witness the shocking alternatives to Marvel's biggest events! What If Gwen Stacy Survived The House of M? What if the Skrull invasion was a success? What if the heroes lost World War Hulk? What if Daredevil died and was resurrected by the Hand? What if Phoenix returned from the dead instead of Colossus? Collects What If? Spider-Man: House of M, What If? Secret Invasion, What If? World War Hulk, What If? Dardevil Vs. Elektra, and What If? Astonishing X-Men.