There are some new details emerging about US retailer pre-order bonus’ for Battlefield 3 so listen up solider! Amazon, Best Buy and Gamestop are giving the ‘Back to Karkand’ DLC as part of their pre-order bonus but each retailer has something different to go along with the DLC. The Karkand DLC includes: Four Battlefield 2 maps: Strike at Karkand, Gulf of Oman, Sharqi ...