I wouldn't have thought happy fluffy bunny incest would be popular in SUPERNATURAL either, but it is.

Heck, knock yourself out and have fun with the Mutant-X. It's got a lot of nifty ideas (and *someone* on the book had a major pirate-movie fixation, given the way Nightcrawler *and* Cyclops dress) and a sometimes atrocious execution thereof -- perfect for fanfic.