User blog comment:Deathmanstratos/Sledgehammer: 'Call of Duty: Vietnam was to be their next game'/@comment-1055346-20140509014428/@comment-25496444-20140509050544

I don't know. There hasn't been a WaW game in a while (not only CoD, but other franchises except maybe Red Orchestra). Better technology could be put to use and the WWII CoDs still have stories to tell.