Hero Initiative is still building momentum for the Adventure Time 100 Project by adding a fresh batch of covers to their eBay store. The new original art was provided by Bill Sienkiewicz, Mike Vasquez, Karl Altstaetter, Tony Parker, Michael Avon Oeming, Cat Farris, Mike Norton, Natalie Nouigat, Todd Nauck, and Gene Ha.

Hero is a not for profit organization that raises money for comics industry pros in medical and financial need. Other great comic related books and art in Hero’s eBay store include The Overstreet Comic Book Price Guide #47 Hero exclusive Rob Liefeld cover, Lark’s Killer preview copy autographed by Bill Willingham, The Teenage Mutant Ninja Turtles 100 Project soft and hardcover, Bob Larkin signed Hulk print, and more.