• In observance of the title's 300th issue, iconic X-MEN: LEGACY writers Mike Carey, Christos Gage and Simon Spurrier return to tell an all-new tale of the X-Men! • Mike Carey brings us a story featuring Professor Xavi-oh wait, he's dead. • Well, Christos Gage has penned a tale involving Rog-nope. She's dead too. • And Simon! There's Simon Spurrier with a story led by Legion, who-oops. Can't spoil the ending of X-MEN: LEGACY #24. • Well...erm…just read it!