The extra scene after the credits for Avengers showed off a very interesting short of something in space. We're not going to spoil it for you, and you really should go to watch it on the big screen/

Over at the Superhero Hype forums (via The Playlist), someone has learned about the scene and reveals what happens.

It's important to note that The Avengers has already opened practically everywhere else around the world, but this second credits scene was not attached to those international prints.

This extra scene can only be viewed in North America at the moment. Unleash the Fanboy has a quick screencap of the scene in question (see it while you can!).