Take a look to the first teaser poster of Thor, the upcoming live action superhero movie directed by Kenneth Branagh:

Thor Trailer

(Click on the poster to enlarge.)

Besides the poster above, Marvel also released this picture of Chris Hemsworth as Donald Blake, the human avatar of Thor:

(Click on the picture to enlarge.)

You may recognize Thor’s hammer, Mjolnir. That’s the same hammer we saw the end of Iron Man 2 in the desert scene:

Thor Hammer in Iron Man 2 after-credits scene
The government hasn’t been able to move Mjolnir so they just built a lab around it.
:)