The Hero Initiative has added 11 Superman 100 Project signed comics to their eBay store, mostly graded CGC 9.8, with two at 9.6, and one at 9.4. The Signature Series books feature autographs by Alan Davis, Stuart Sayger, Doug Mahnke, Philip Tan, Todd Nauck, Darryl Banks, Rich Ellis, Skylar Patridge, Anthony Marques, Paul Guinan, and Charles Stewart.

Hero is also selling a DC Versus Marvel print by Jim Lee, Symbiote Spider-Man 2099 #1 Hero exclusive Todd Nauck variant, Murder Inc. Vol. 2: Versus America signed by Michael Avon Oeming, The Bloodshot 50 Project signed by Kevin VanHook and Kevin Nowlan, and 100 Project books featuring Captain America, Wonder Woman, and the Teenage Mutant Ninja Turtles.