Ninja Gaiden 3 has an official release date, March 2012.
Ninja Gaiden 3 Features:
Online Action: A rich and challenging set of online modes are being implemented, giving players the option to play cooperatively or competitively.
New challenges, characters and missions await those who choose to join the Shadows of the World online.
Cutting Down your Enemy: Through new gameplay mechanics and presentation, players will feel what it's like to cut through an enemy's flesh and bone, along with the consequence that comes with it.
A Hero Unmasked: With a new story and new characters, players will learn more about Hayabusa's past and present life than ever before.
High-Octane Ninja Action: Built upon the same intense action that the series is renowned for, Ninja Gaiden 3 will challenge players while still remaining accessible for players new to the franchise.