Comic books are notorious for their weird, convoluted retcons, and these are some of the worst ones they've put to ink.

Alan Cumming has teased a fight between Nightcrawler and another Marvel hero in Avengers: Doomsday, adding fuel to a big theory.

It all started with a pun. In 2015, Marvel spun off the Gwen Stacy of Earth-65 into her own comic, Spider-Gwen, set in an ...