Wil God of War 4 come out

There has been no announcement of God of War 4, although they said that "God of War 3 will not be the last of the series" God of War Ghost of Sparta has been announced for the upcoming PSP 2 (and all the other psp's of course)

PSP 2??? I ain't never heard of that. Well I can't say if there will be a God Of War 4. But at the end of God Of War 3, Kratos walked off into the sea of Chaos, known as Earth. So I don't know, maybe Kratos will go after Athena for taking the Blade of Olympus, well I don't know.