Dark Horse Heroes is a 11-book series with 11 released primary works first released in 2004 with contributions by Chris Warner, Pat Olliffe, John Arcudi, Mike Richardson, Doug Mahnke, Various, Randy Stradley, Jerry Prosser, Barbara Randall Kesel, Bob Fingerman, Robert Loren Fleming, Rich Hedden, Alex Ross, Kelly Sue DeConnick, Christopher Sebela, Duane Swierczynski, and Joshua Williamson.