This is whats just come of the site Spoiler http://unexpectedreveal.com/trailer.php it says Mw4 at the end of the video + the date is correct for cod could be just one huge fake though until it's confirmed.
You'd have to be stupid or really gullible to believe it, the youtube account is 'ZeroTwoFourOne' obviously mocking FourZeroTwo (Robert Bowling), who no longer works for them. It's scenes from a movie, can't think of the name.