In 1845, the young brothers Victor and James awakened their potential in a sudden dispute between their elders. James killed his strange father in a hurry. Since then, the two brothers have been on the battlefield. They have killed in wars of all ages with their immortal bodies and beast-like talents until they met Major Stryker and joined his special forces of superpowers. James (Hugh Jackman) soon got tired of killing the weak, left the team and Victor (Lev Schreiber), and lived in seclusion in the mountains with his girlfriend Kayla, becoming a lumberjack. Six years later, James was shocked to hear that his former superpower teammates were killed one after another, and the killer was his brother Victor. Soon even Kayla was killed by him. The angry James cooperated with Stryker to transform his body into a steel-boned "Wolverine". After Wolverine got rid of the control of the military, he vowed to kill Victor and Stryker to avenge Kayla...