Wolverine/Deadpool: Weapon X
Frank Tieri (Writer); Sean Chen, Mark Texeira, and Georges Jeanty (Artists)
The top-secret shadow-ops agency that transformed Wolverine into the world's most lethal killing machine returns - and its mysterious benefactor has big plans for the enigmatic X-Man! But when Logan rebuffs the reconstituted Weapon X program, the duplicitous "Director" is forced to settle for second best. Enter...Deadpool?! Unfortunately for Wade Wilson, his very first assignment may test the limits of his loyalty!
Wolverine (2nd series) #162-166, Deadpool (3rd series) #57-60