Ninja Gaiden 3 teaser trailer released

[youtube=http://www.youtube.com/watch?v=d28RTBfJV5o]  

Ninja Gaiden 3(tentative title) suprised people at GDC '11 showing a teaser trailer. First announced at the Tokyo Game Show '10, they revealed a bloody Ryu Hayabusa image(shown below). No other information yet about the game yet but all will be unmasked on this year's E3.