Recently Call of Duty: Black Ops 2 has been updated almost daily with various Snapchat QR codes to teasers of what is speculated to be the next instalment of the Call of Duty franchise. See one of the teasers here.
These has been a multitude of different teasers over the days, Generally just collimating a image or a short video.
However, Due to a error on the part of the Activation Support Twitter. The title has been spoiled, If it turns out to be factual.