It's possible, but highly unprobable. We know for a fact that the game has already been in development for almost two years at least, so it doesn't sound like a small project. Also, CA makes it look much more important than those two minor titles and a Total War: Warhammer is a guaranteed financial success, as long as it's based on the classic TW model. Even of its AI makes the starving navies of the Garamantes look like sophisticated napoleonic manoeuvres, people would buy it like crazy. It'll be something like R2, with a name famous enough to boost sales, regardless of the game's quality.