Spider-man 1

Todd McFarlane begins including images of Felix the Cat in the interior art of many issues after meeting someone suffering from post-traumatic stress who carried around a Felix the Cat doll. The man told McFarlane that he was not a fan of superhero books, therefore he didn't purchase Spider-Man comics, McFarlane asked if he would start reading them if Felix the Cat was drawn into them and the man said, "yes".