I am Iron Man #5

An old, forgotten (SILVER AGE) foe returns. They crave the destruction of IRON MAN and the subjugation of EARTH. To defeat them, IRON MAN seeks out help from an unusual place - a superhuman prison. Follow IRON MAN on his quest to protect EARTH as he builds a planet-protector cannon, trades brutal blows with SHE-HULK and makes a new friend along the way. This episode is set in the current era of Iron Man, is the grand finale and is a love letter to Iron Man fans. Rated T+