Thanos was a very different character in Avengers: Endgame than he was in Avengers: Infinity War.
The following post and video contains SPOILERS for Avengers: Infinity War and Endgame.
If you liked this video on why Thanos changed between Infinity War and Endgame, check out some more of our videos below, including our video on Black Knight, Kit Harington’s character in Eternals, our video explaining Marvel Phase 4 star Shang-Chi, and our breakdown of every Avengers: Endgame deleted scene.
But why was Thanos such a different dude just a few years earlier?