Hero Initiative is offering a fresh batch of Adventure Time 100 Project original covers for sale on eBay. The new listings include original art by Penelope Gaylord, Andy Hirsch, Tim Seeley, Thomas Hunter, Agnes Garbowska, John Cassaday, Kristin Allen, Lucy Bellwood, Ethan Castillo, and Sarah Horrocks.

Hero is a not for profit organization that raises money for comics industry professionals in medical and financial need. Along with the Adventure Time covers, collectors can find The Wonder Woman 100 Project hardcover, The Overstreet Comic Book Price Guide Hero exclusive with Rob Liefeld cover, Josh Medors’ autographed Spider-Man Alter Ego print, and much more in their eBay store.