When the Hulks are framed by Abomination for attacking the S.H.I.E.L.D. Tri-Carrier, they must face evil gamma-powered doppelgangers of themselves in order to save Nick Fury.

The Agents of S.M.A.S.H. track the Leader to a deserted island but get stuck in a deadly maze where they are forced to battle the Hulk's dark side - in physical form.