The app for Star Trek Into Darkness has provided an image of another starship that will be appearing in the movie. One would presume this is the same ship opposite the Enterprise that has been shown in the trailers.
It's also given a name: U.S.S. Vengeance. Take a gander:
Though the ship has a somewhat un-Federation-like name, it does have roots in history. Also, this is not your father's (or maybe grandfather's) Star Trek.
Also, several character posters for the movie were revealed:
James T. Kirk
Star Trek Into Darkness warps into theaters May 17, 2013.