Call of Duty: Modern Warfare 3 releases the big season 6 update, which adds a ton of new content including maps, operators, and game modes alongside the annual Haunting special event. It's a sort of last hurrah for Sledgehammer's game as Call of Duty: Black Ops 6 is on the horizon. However, while this is the final season for Call of Duty: Modern Warfare 3, the game is going out with a bang thanks to a ton of new content for players to check out.