In 1975, one comic book changed the face of Marvel Comics forever! Writer Len Wein and artist Dave Cockrum revamped the X-Men completely, with an international cast including Storm, Nightcrawler, Colossus and Wolverine! This legendary story took comic fans by storm and set the stage for the X-Men to become the most popular heroes in the Marvel Universe! Now, 36 of Marvel’s top artists come together to recreate this epic story, each drawing one pulse-pounding page in tribute to a true Marvel masterpiece! This all-new, all-different tribute is presented alongside Wein & Cockrum’s inimitable original ― together with behind the scenes artwork and more special features ― and all on oversized pages that give new meaning to Giant-Size X-Men!