James is forced to act as a check on Victor's increasing rage and ferocity. In the years that follow, adult brothers James and Victor are seen fighting together in the American Civil War, World War I, World War II, and eventually the Vietnam War with their respective regenerative powers keeping them from being killed or aging. James and Victor run away, pursued by a torch-wielding mob. James runs out of the house, followed by Victor, who finds him and promises his younger brother that he'll look out for him. With his dying breath, Logan tells James that he is also his son. In an act of vengeance, James kills the elder Logan using bone claws which have grown out of his hands due to the stress of the incident.
In 1845 in North-Western Territory, British North America, young James Howlett sees his father John Howlett killed by his friend Victor Creed's father, Thomas Logan. You'll go 'berserker' for this deeper, darker, more-spectacular-than-ever chapter of the X-Men saga! Plot Along the way, Wolverine also encounters legendary new mutants, including Deadpool and Gambit. This pulse-pounding action thriller sinks razor-sharp adamantium claws into the mysterious origins of Logan/Wolverine: his epically violent and romantic past, his complex relationship with Victor Creed/Sabretooth, and the ominous Weapon X program that unleashes his primal fury.