User blog:Soap Shadow/Call of Duty 2015 Hinted

XBOX Community Manager Raj Patel hinted a new Call of Duty game for this year. On his Twitter feed, the image contained Morse Code which translates to: "Presented by Xbox, 10 am PDT/1 pm EST May 4th 2015."

Previously Call of Duty: Ghosts was presented on May 1, 2013 and lately Call of Duty: Advanced Warfare on May 2, 2014.

Source: https://twitter.com/Rajio/status/558373496813002752/photo/1