On PC, PS4, & XBOne set for November 17, 2015 in North America. (Star Wars: The Force Awakens hits theaters December 18th)
The planets are Tatooine, Endor, Hoth, and Sullust are confirmed for launch.
Playable hero units including Darth Vader, Boba Fett, Jedi, & the Millennium Falcon will be available. “Perhaps others too”
On December 8 a free add-on called Battle of Jakku adds another planet. This is the same desert planet we see in Episode 7 trailer.
If you pre-order the DLC is available on December 1.