Writer Mark Millar and artists Adam Kubert and Tom Raney revisit Wolverine's past in "Return to Weapon X'!" When the X-Men are recruited by Sabretooth and the Weapon X program, can Logan alone save them? It's six more issues of mutant madness as Nightcrawler, Juggernaut, Rogue, and Nick Fury make their dazzling debuts in the Ultimate universe!