Now Playing: Call of Duty: Modern Warfare III - Official Multiplayer Trailer. Fast-paced movement returns to Call of Duty with the gameplay showing off more snappy aim-down-sight speeds and the Call of Duty: Modern Warfare 3 has revealed three new 6v6 multiplayer maps coming to the game as part of Season 1, as well as a new map that will debut alongside the returning 2v2 Gunfight mode Activision has revealed the gameplay trailer for the upcoming Call of Duty: Modern Warfare 3 open-world Zombies mode. This was showcased at the recent Call of Duty Next event, which also uncovered A dark new chapter begins in Call of Duty: Modern Warfare III. Check out the official gameplay reveal that was showcased during an in game event in Call of D aUgravd.