Activision has released the first teaser video for Call of Duty: Modern Warfare 3 America Under Siege, England, Germany and France. Awaiting further news on the last episode of the saga Call of Duty, outgoing 's Nov. 11, will leave the video.

Call of Duty: Modern Warfare 3 - Teaser America | HD version
Call of Duty: Modern Warfare 3 - Teaser England | HD version
Call of Duty: Modern Warfare 3 - Teaser Germany | HD version
Call of Duty: Modern Warfare 3 - France Teaser | HD version