Rob Cohen has released the first poster for The Mummy: Tomb of the Dragon Emperor on his official blog of the movie. You can click the image below for a bigger look. It's a pretty simple teaser image, just showing Jet Li, the new mummy who's technically not really a mummy because he's made of clay but let's not split hairs, gradually turning to dust.
Cohen also says that the blog will update later today with new imagery.
Click the image above to view larger version