Which superhero team has the best-selling comic of all time?

"X-Men" #1 in 1991 sold over 8 million copies and still holds the Guinness World Record as the best-selling comic book issue ever. For all of the non-comic book fans out there, yes, Marvel has been publishing X-Men since 1963 (remember that for future trivia), but this is an industry where numbers don't matter and they'll reboot, retcon, and renumber things however or whenever they like. Anyways, Marvel hired superstar artist Jim Lee to relaunch the X-Men in their own series, separate from "Uncanny X-Men," and collectors were sent into a frenzy trying to grab all five cover variants. Some fans bought dozens of copies thinking they'd struck it rich, but considering everyone bought multiple copies, those 8 million comics are now worth about as much as the paper they're printed on. But hey, at least Wolverine and the gang earned their place in the record books.