Not to give anything away, but the next movies will be sub-titled The Desolation of Smaug and There and Back Again, released in 2013 and 2014 respectively.
UPDATED: Check out this super-sized billboard that has sprung up in recent days for the first installment in The Hobbit trilogy.
Plus here's a new creative featuring fan-favourite 'Gollum' in the glow of Bilbo's sword 'Sting'.
UPDATED: More creatives are appearing as the release date for the movie gets nearer, here's another billboard snapped at La Brea Avenue and Hollywood Boulevard on November 14, 2012.
UPDATED: Yes Warner Bros. Studios have spared no expense marketing this first installment in The Hobbit trilogy, obviously hoping for a similar LOTR cash cow.
UPDATED: For the Blu-ray release of the movie it seems that they've combined a few of the theatrical release creatives, like in this billboard snapped along Sunset Boulevard on April 3, 2013.