Thanos (2010 Marvel Animated Universe)

Thanos is the Bigger Bad antagonist in Season 1 and the main antagonist of the first half of Season 2 of Avengers Assemble.

History
Not much is known of Thanos, except that he is known as the Mad Titan and destroyed his home planet as well as having the Red Skull bow down to him. Eventually the Red Skull betrayed Thanos and escaped back to Earth while Thanos chased him only for Thanos's ship to be destroyed. Eventually Thanos found the Avengers and the Power Stone, but the stone blew up. Thanos survived the explosion and went to get the other infinity stones.

Trivia

 * He was voiced by Issac A. Singleton Jr., who also voiced Sagat from the Street Fighter series.
 * Much like his comic counterpart he is one of the most dangerous beings in the universe.
 * While not really stated some believe he might desire to remake the universe in his image.
 * It appears that he is a man of his word as when he was seemingly imprisoned he offered to spare Earth in exchange for the Power Stone but once the Avengers refused he easily escaped and attacked meaning he was being genuine.
 * Unlike his comic counterpart, he has no love for Death.