Marvel's Hulk and the Agents of S.M.A.S.H. (2013)

S02E22 Days of Future Smash: Part 4 - Year of the Hydra

Pursuing Leader across the time stream to World War II, Hulk joins forces with Captain America to thwart the plans of Red Skull. Meanwhile, in the current timeline, the Agents of S.M.A.S.H. battle to liberate the world from the clutches of HYDRA.