Update: Check out 20 good quality screen shots from The Avengers teaser trailer
Looks like someone uploaded the post-credit scene for Captain America: First Avenger, which is actually the first "trailer" for The Avengers!
Check it out!
If this gets taken down, comment below and I'll try to find another source.
Captain America: First Avenger hits theaters July 22nd, 2011 starring Chris Evans as Steve Rogers/Captain America and Hugo Weaving as his arch-enemy, Johann Schmidt, the Red Skull.
The Avengers hits May 4th, 2012 and is directed by Joss Whedon, starring Robert Downey Jr. as Iron Man, Chris Hemsworth as Thor, Chris Evans as Captain America, Samuel L. Jackson as Nick Fury, Mark Ruffalo as the Hulk, Scarlett Johansson as the Black Widow and Jeremy Renner as Hawkeye.
Head on over to the Cosmic Book News The Avengers Movie Hub for more news, images and trailers.