The Avengers official trailer is now available. Its suppose to be an exclusive on iTunes but I found a Youtube version already up. I hope it does not get pulled because of exclusive rights or some BS like that.But if it does here is the iTunes link . Also you can go the official Avengers site at:http://avengers.marvel.com which will give yo a link back to iTunes orrrrrrr you can go to this page at Marvel that has a story synopsis that I copied and pasted below and also has the trailer.
Marvel Studios presents in association with Paramount Pictures “Marvel’s The Avengers”--the super hero team up of a lifetime, featuring iconic Marvel super heroes Iron Man, the Incredible Hulk, Thor, Captain America, Hawkeye and Black Widow. When an unexpected enemy emerges that threatens global safety and security, Nick Fury, Director of the international peacekeeping agency known as S.H.I.E.L.D., finds himself in need of a team to pull the world back from the brink of disaster. Spanning the globe, a daring recruitment effort begins.
Starring Robert Downey, Jr., Chris Evans, Mark Ruffalo, Chris Hemsworth, Scarlett Johansson, Jeremy Renner and Samuel L. Jackson, and directed by Joss Whedon from a screenplay by Joss Whedon, “Marvel’s The Avengers” is based on the ever-popular Marvel comic book series “The Avengers,” first published in 1963 and a comics institution ever since. Prepare yourself for an exciting event movie, packed with action and spectacular special effects, when “Marvel’s The Avengers” assemble in summer 2012.
More on the story at Marvel.com