An unnamed retailer source sent Kotaku an image of a new poster that has been sent out to stores from Activision that reads "05 * 02 * 12 Return for Debriefing" in the familiar Call of Duty font, with logos for both Treyarch and Activision.
This seems to indicate that Activision will be announcing some Call of Duty news on the 2nd May. It's doubtful that the announcement will involve Modern Warfare 3 or Elite downloadable content news - especially since Treyarch was involved in neither project - so it's reasonable to believe that Activision will finally be unveiling Call of Duty: Black Ops 2, especially since the theme of the original Black Ops was the main character being debriefed as the framing story.
This is Black Ops 2, of course. Hopefully, all speculation will cease in two weeks.of the existence of