Since the death of their parents, James Logan and Victor Creed take care of each other. They join the army and participate in all the conflicts of the 20th century. During the Vietnam War, Victor kills one of his superiors and the two brothers are sentenced to death. They then accept William Stryker's proposal to join an elite unit of mutants. While Logan chooses to take a step back after the failure of his first mission, Creed decides to go out and kill himself.