Marvel released this series of character posters of the Avengers, the upcoming live-action superhero movie directed by Joss Whedon:

Avengers Trailer

(Click on a poster to enlarge.)

Those character posters are actually parts of a huge banner:

I guess a character poster featuring the Hulk will bridge the gap between Iron Man and Captain America.

Update – The poster of the Hulk has been unveiled and we now have the full banner:

(Click on a poster to enlarge.)

:)