Marvel Studio is in final negotiations with Chris Hemsworth for the lead role in Thor, that is set to open May 20, 2011, and to reprise it in the Avengers movie. Avengers to follow in 2012.
With Iron Man next year, Thor after that and then Captain America. Marvel is really building up the anticipation with the stand-alone movies before the team up for The Avengers in 2012.
The relatively unknown actor made his brief feature film debut as George Kirk (Captain James T. Kirk’s father) in Star Trek, and now …

Looks like Marvel is adjusting the release dates of Thor and Captain America before finally releasing the most anticipated multi-character The Avengers movie in 2012.
Marvel Studios Feature Film Pipeline :

IRON MAN 2 on May 7, 2010
THOR on May 20, 2011
CAPTAIN AMERICA on July 22, 2011
THE AVENGERS on May 4, 2012
SPIDER-MAN 4 on May 6, 2011

To me, Iron Man is currently the best comics adaptation movie ever and this will be the benchmark for all future releases of comics adaptation. Regardless whether it’s from Marvel Studios or not. For those who haven’t seen Iron Man, don’t wait, get your tickets and watch it. You will love the characters (even the garage robots), the story and of course the Golden Avenger himself. The escape sequence and the scene with the jet fighters are totally awesome. For those who have, but still want more. Get …