User blog comment:KATANAGOD/Black Ops 2 information according to 'Gadget Show Live’ Brochure/@comment-75.181.40.243-20120412112833/@comment-1916935-20120415181732

An open world WWII game that takes place in Stalingrad, that is the size of the world in RDR, uses the Frostbite 2 engine (and uses the amount of destruciton it is capable of) and has Call of Duty sized set peices.

That's the WWII game I want.