Fair warning: this video definitely has spoilers in it. Including inside jokes. So if you haven't watched The Avengers yet (why haven't you watched The Avengers yet?!), please do so immediately and then return for this video.

If you have watched The Avengers, proceed on to watch the animated version of how Joss Whedon's film should have ended.

How It Should Have Ended : How The Avengers Should Have Ended [YouTube via Reddit]