Marvel's Hulk and the Agents of S.M.A.S.H.

Days of Future Smash (4): The Hydra Years (2x22)

Air date: May 31, 2015

Chasing Leader through time to WWII, Hulk teams up with Captain America to stop Red Skull. In the present, the Agents of S.M.A.S.H. fight to free the world from HYDRA.