The Merc With A Mouth! The Gassin' Assassin! Deadpool is the world's most dangerous hitman and why? Coz he's crazy, man! When mercenary Wade Wilson learned that he was dying of cancer, he signed up as a test subject for the mysterious Weapon X program. Wade's cancer was arrested via the implanting of a healing factor derived from the mutant known as Wolverine. However, Wilson soon found himself the victim of the cruel experiments of the vile Doctor Killebrew, where he escaped and, assuming the name Deadpool, embarked on a life as an assassin.