Foul-mouthed mutant mercenary Wade Wilson (a.k.a. Deadpool) assembles a team of fellow mutant rogues to protect a young boy with abilities from the brutal, time-traveling cyborg Cable.
Supervillains Harley Quinn, Bloodsport, Peacemaker, and a collection of nutty cons at Belle Reve prison join the super-secret, super-shady Task Force X as they are dropped off at the remote, enemy-infused island of Corto Maltese.