Although there are no new scenes. It premiered during the Vampire Diaries on the CW last night and WB just posted a hi-def version of the spot which can be viewed below.
Here are screencaps of Voldemort dueling Harry on the staircase. (THIS WAS THE ONLY NEW SHOT IN THE SPOT)
Harry Potter and the Deathly Hallows: Part 2 comes to theaters July 15th in 3D.