Not to pile on here, but we’ve got even more goodness from The Avengers to share today. Steve posted his extensive coverage from his visit to the set, and we just reported that fans will have to opportunity to win advanced screenings for their cities via Facebook. Now a new TV spot has gone online. Coupled with the two TV spots from this weekend, we now have a great deal of new footage to sort through. We caught a glimpse at the aliens in the previous spots, and this one gives us a look at some Helicarrier action.Hit the jump to check out the spot. The film stars Robert Downey Jr., Chris Evans, Chris Hemsworth, Scarlett Johansson, Jeremy Renner, Mark Ruffalo, Tom Hiddleston and Samuel L. Jackson. The Avengers opens in 3D on May 4th.Click over to Yahoo! to watch in HD.Here’s the synopsis for The Avengers:

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, "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. In "Marvel's The Avengers," superheroes team up to pull the world back from the brink of disaster when an unexpected enemy threatens global security.