Hiking in the European mountains of his youth, Nightcrawler, along with Wolverine are attacked by a giant wolf! Injured during the battle, Wolverine soon begins to change into a half-man, half-wolf creature! Extremely powerful and completely out-of-control, the Werewolf Wolverine escapes and rushes deep into the forest! Seeking a mysterious tribe of gypsies that hold the only cure for Wolverine's condition, Nightcrawler races against time to save his old friends!