Call of Duty: Modern Warfare 3 is bringing in new zombies content with the release of Season 1. Massive gateways have appeared in the Exclusion Zone transporting players to the Dark Aether. Players will need to investigate the area and survive the new end-game content as best they can with pack-a-punched weaponry and Ray Guns alike. The new zombies content coming with Season 1 for Call of Duty: Modern Warfare 3 will be available on December 6.