GameBattles is happy to announce the launch of the Call of Duty: Modern Warfare 3 for the Xbox 360, Playstation 3, Nintendo Wii, Nintendo DS, and PC platforms! Players and teams may now begin registering. When ladder play closes, the top teams will advance to the playoff bracket, which is a single-elimination tournament resulting in one team being crowned champion. If you already have an account on GameBattles, sign up for the ladder and begin playing now!