According to this article from Telegraph.co.uk, Barack Obama collects Spider-Man comics.
If I would have known this from the start, then I wouldn't have been so conflicted about voting for him. (Just watch - the conservative pundits are now going to start wondering about Obama's ties to the Hobgoblin. Didn't he serve on a committee with Roderick Kingsley? Come on, Obama! Come clean about this relationship!)