This is all rumors and leaks, of course. The other day a pair of images were doing the rounds - they looked like key art or cover art - one was just the art, and the other was the art with a Halo Wars 2 logo on it. Coulda' been fake - who knows?
Just got a DMCA takedown notice. Please don't ask me if that's legit or not any more.— lifelower (@lifelower) June 6, 2016