It seems that is not yet which Kojima Production decided to shows the world what is coming. If you recall, last Thursday opened a teaser site which revealed a countdown. The countdown is now over and it revelas another countdown.
120 hours is now the time left to finish it .. This time, we have a background image darker and more intense rain .. In half, and periodically, it is possible to observe again the 5 (or S) and this time also what appears to be an E.. followed by a 3 - that means the announce should be made at E3.