User blog comment:Damac1214/Back in Black - Call of Duty: Black Ops III teased, reveal trailer coming April 26th/@comment-6343006-20150409174651/@comment-1916935-20150409202235

And I don't see how WaW 2 would imply being set in WWII, since most of the world was involved in the Cold War after the end of WWII.