Wolverine / Deadpool: Weapon X (Deadpool Vol. 2 #57-60, Wolverine Vol. 2 #162-166)

The shadow-ops organization that transformed Logan into the world's most lethal killing machine returns - and its mysterious new director has big plans for Wolverine! But when Logan rebuffs the reconstituted Weapon X program, management is forced to settle for second best. Enter... Deadpool?! Unfortunately for Wade Wilson, his very first assignment may test the limits of his loyalty!

Reprinting WOLVERINE (1988) #162 - #166, plus DEADPOOL: AGENT OF WEAPON (1997) X #1 - #4!