User blog comment:Friendlysociopath/Ask the FriendlySociopath/@comment-27824241-20151209184742/@comment-3463132-20151211145248

Canon would almost certainly be Iron Man vs Lex Luthor; when that music kicked in at the end I lost my shit (or came as close as I ever do, which to be fair isn't very close).

Fanon? Oh geez, there's a ton around here I like for different reasons, picking a favorite's too hard for those.