Battlefield 3 was released October 25, 2011 for Microsoft Windows, XBox 360, and PlayStation 3. This first-person shooting game is the eleventh of the Battlefield series and a direct followup to Battlefield 2.
Pre-Orders for Battlefield 3 - Limited Edition from Amazon included the Battlefield 3: Back to Karkand expansion pack for free. The expansion includes four legendary maps from Battlefield 2 boldly re-imagined in the Frostbite 2 engine, as well as Battlefield 2 weapons, vehicles, and unique rewards.
Side note:BF3 vs MW3. Okay this picture at Gamescon is probably out of context but still hilarious.