For the Hawkeye question: general audiences don't know who he is. Lots of people are gonna see him in these trailers and think "Who's this guy?" That's why. He'll have plenty of character in this movie hopefully since he's the most underdevelopped in the series so far. On a second note, this really is starting to look like it will exceed expectations.

The Avengers
Feature Trailer
(2:25)

Holy crap! This looks great! I think the people that say it doesn't aren't familiar with the original book. You realize, this is the story that paved the way for practically all adventure stories we have today? This looks great and like a faithful adaptation. Can't wait!

John Carter
Feature Trailer
(2:02)

Wow... this looks fantastic. I just hope they do it right.

Chronicle
Trailer
(2:13)

twenty bucks says they also have some sort of organization coming after the both of them in the midst of this. And no matter how predictable it's going to be, it'll still be a lot of fun

This Means War
Trailer
(2:31)

You know, there aren't that many movies that deal with World War 1 that are that good.... so this could very well be the best World War 1 film ever made.

War Horse
Feature Trailer
(2:26)

Guys, don't get me wrong; I wish more than anything Ed Norton would've been the Hulk, however he decided to ask for more money and go all greedy on us so really it's his fault that he's not in it. I trust Marvel in their choice with Mark Ruffalo as a replacement

The Avengers
Trailer
(2:03)

the song is Fistful of Silence by Glitch Mob

Captain America: The First Avenger
Trailer
(2:31)

wow... didn't think I'd get chills. That was ridiculously epic. Looks like maybe we might have good movies coming this year after all.

Legend of the Guardians
Feature Trailer
(2:29)

Jimmy and Tree, you guys have it just a bit wrong, though Griffin is closer. I am a Christian and its true, all the other Christian teens around me (other than the 6 I know who have actually read the Bible) tend to put on this attitude as "I'm better than you b/c I'm holier." It's sad but true. It's something I hope this movie may be able to slap some Christians in the face with. Notice the usage of a cuss word affiliated with the religious meeting? That's generally modern Christians for ya.

Easy A
Trailer
(2:31)

Crap, it comes out the same weekend as Where the Wild Things Are, which MUST take the box office... danget

The Imaginarium of Doctor Parnassus
International Trailer
(1:34)