An Activision representative confirmed that a teaser website for Call of Duty: Modern Warfare 4 is a fake.

The website in question is It has a countdown set to end on March 21. 

GameSpot reports that although the site mentions developer Infinity Ward, Sledgehammer Games, and Neversoft in its source code, the website it registered to someone using a gmail account. 

Another rumor surfaced last year about the possible new title, but Infinity Ward denied it

[Source: GameSpot]

The screenshot above is from Modern Warfare 3.