Marvel's Hulk and the Agents of S.M.A.S.H. S02 E19 Days of Future Smash: Part 1 - The Dino Era

"And you thought YOUR family was big."

Hulk chases Leader back in time to the Jurassic era, but their actions result in present Earth being taken over by dinosaurs. Hulk battles Leader in the past to save all of time.