I imagine a sort of "rumoured God of War reveal at E3" thing led to speculation that it would be God of War 4. They released 2 collections though. I'd imagine that was the reveal. What shocked me was the lack of The Last Story. That already beloved game, that we havn't seen f**k all of!
People are excited, I want to see why! I'm surprised the hardcore folowers havn't started raging yet, I really thought it'd get a proper full reveal this E3 especially after ICO and SOTC.