It says so right on the recently released, still unofficially finalized box art, meaning your copy of God of War III could very well look different. Placeholder though it may be, it's both attractive and subtle.
Perhaps too subtle. Rarely do we see North American games veering from the standard box art path. But considering Sony's PlayStation 3 box art preference of focusing on the face—see Killzone 2 and Ratchet & Clank Future: A Crack In Time—and the God of War III cover showing up on Amazon.com and Sony's retailer extranet, it could happen.