Marvel
Collects What If? Annihilation #1, What If? Civil War #1, What If? Planet Hulk #1, What If? X-Men—Rise and Fall of the Shi’Ar Empire #1, and What If? Spider-Man vs. Wolverine #1; ca. 2008
Writers: Ed Brubaker, Kevin Grevioux, Christos Gage, Greg Pak, Dave Hine, Christopher Yost, Jeff Parker, Paul Tobin
Artists: Marko Djurdjević, Gustavo Desimone, Harvey Tolibao, Sandu Florea, Victor Olazaba, Scott Koblish, Leonard Kirk, Rafa Sandoval, Gary Erskine, Fred Hembeck, Mico Suayan, Rafael Kayanan, Larry Stroman, Jon Sibal, Clayton Henry, Marc Silvestri, Carlo Pagulayan, Gabriele Dell’Otto, Olivier Coipel, John Romita Jr.