Well, according to Marvel.com, Stephen Colbert is going to be teaming with Spidey for an 8 page addition to the expanded Amazing Spiderman #573. I’m not entirely sure who they can fight in eight pages, but I’m going to guess bears.

http://www.youaintnopicasso.com/2008/09/24/wtf-stephen-colbert-to-guest-in-the-amazing-spider-man/