User blog:N7/Next Call of Duty will be revealed on April 30th suggests promotional material

According to promotional material at GameStop, the next Call of Duty will be revealed on May 1st as that's when the material is suggested to be displayed.

Call of Duty: Black Ops II got it's first trailer on May 1st last year, however we had already seen a few weeks of teasers.


 * Source: IGN | Next Call of Duty Game Will Be Revealed May 1st