The Avengers: Earth's Mightiest Heroes (The Complete Fourth Season)

'''Following the shocking events of season 3 with Professor X and Scarlet Witch disappearing from the Marvel Universe and the Avengers falling apart, the Avengers return for a fourth season with the focus being on storylines such as the Old Order Cometh, Fall Of The Hulks, Squadron Supreme, and many more. Here are a few key concepts that will happen this season...'''
 * In the Fall Of The Hulks saga, it introduces the Hulk Family with Hulk, She-Hulk, Red She-Hulk, A-Bomb, Red Hulk, Gray Hulk, and Skaar. It will build into next season's story arc of World War Hulk.
 * The main villains that will appear are Dr. Doom, M.O.D.O.K., The Leader, Abomination, Red Ghost, Rhino, Hyperion and the Squadron Supreme.
 * Guest stars include Deadpool, Nighthawk, Punisher, Sleepwalker, and Uatu The Watcher.
 * The X-Men return this season in time to set up for the Fall Of The Hulks story arc.
 * The Squadron Supreme battle the Avengers in a five-episode story arc.
 * To close out season 4, the episode, "What The Future Holds...", gives the fans a sneak peek at the next season storylines, Civil War, Fallen Son, and World War Hulk.