This guy is a great mind with a great sense of humor. He came up with Spiderman and the Avengers. He was a last-minute addition to the guest list and he was fantastic. Actually, I'm going to mostly leave the explanation for how great Stan Lee is to the videos. I wasn't kidding about the sense of humor. Stan Lee's introduction:Stan Lee explains his contributions to the box office success and discusses the current storylines of his creations:Marvel vs. DC on Science: