What If? (Publication Order) is a 3-book series with 35 primary works first released in 1977 with contributions by Mike W. Barr, Steven Grant, Mark Gruenwald, Roy Thomas, John Lewandowski, Ron Marz, Simon Furman, Kurt Busiek, Benny Powell, Warren Ellis, Mariano Nicieza, Tom DeFalco, Jay Faerber, Brian Michael Bendis, Chris Claremont, Ed Brubaker, Karl Kesel, Peter David, Mark Millar, Tony Bedard, Mike Carey, Greg Pak, Robert Kirkman, Jeff Parker, David Hine, Marc Sumerak, C.B. Cebulski, Kevin Grevioux, Karl Bollers, Michael Gallagher, Chris Acosta, Marc Guggenheim, Stan Lee, Gerry Conway, Bryan Edward Hill, Carl Potts, Ethan Sacks, and Leah Williams.