'The Avengers' trailer is now up online

The first full trailer of Joss Whedon's "The Avengers" has been released by Marvel Studios earlier today. Check out the said "The Avengers" trailer below:

"The Avengers" teaser trailer courtesy of Marvel

Continuing the epic big-screen adventures started in "Iron Man," "The Incredible Hulk," "Iron Man 2," "Thor" and "Captain America: The First Avenger" "The Avengers" is set for a May 4, 2011 release. Leading its powerhouse cast are Robert Downey Jr., Chris Evans, Mark Ruffalo, Chris Hemsworth, Scarlett Johansson, Jeremy Renner, Tom Hiddleston, Stellan Skarsgård and Samuel L. Jackson.

Here's its plot:

"When an unexpected enemy emerges who threatens global safety and security, Nick Fury, the director of the international peacekeeping agency known as S.H.I.E.L.D., finds himself in need of a team of superheroes to pull the world back from the brink of disaster."

Check out some previously released stills from "The Avengers" movie below: