The Avengers: Earth's Mightiest Heroes! - Season 4

The guide to the fourth season of Marvel's highly anticipated animated series '''The Avengers: Earth's Mightiest Heroes! which aired its first season on Disney XD in October 2010 and concluded the season in April 2011. A second season aired in April 2012 concluded in September 2012. '''The third season which is the start of the series continued by fans, who feel the series was untimely cancelled, can be found at fanfic.com. The fourth season will run from September 2012 to January 2013 and will consist of 26 episodes.

== Plot == Season Four follows the Avengers facing the return of old villains such as A.I.M and HYDRA. New members will join the team's roster and the foundation of the team will be shaken to its core. This season like season 3 will see longer story arcs compared to that of Seasons 1 and 2. Galactus, who was sent into negative space by the Avengers, will signal his return to the series. Also, Thor will reveal the events of Age Of Apocalypse to the rest of his team.