Entertainment Tonight's Avengers footage found online

Entertainment Tonight has aired a (very) brief glimpse of some of The Avengers action we can expect to see in tomorrow's first trailer.

This being the internet age, that footage has already found its way online.

You want us to tell you what the video contains? Come on, it's 30 seconds long, click the play button!

Joss Whedon's The Avengers is released 4 May 2012.