Avengers: Earth's Mightiest Heroes Micro Episode 4!

Marvel has released the 4th Micro Episode of their upcoming new animated series, Avengers: Earth's Mightiest Heroes! In this episode, Iron Man continues to do battle against the forces of HYDRA, who unleash their mightiest armored enforcers, the Dreadnoughts, against the armored avenger! Straight from Marvel.com, here's micro episode 4, "HYDRA Lives"!

Avengers: Earth's Mightiest Heroes Micro Episode 4 - HYDRA Lives!