A portion of a Siliconera interview with Yosuke Hayashi, lead designer…http://www.gonintendo.com/?mode=viewstory&id=156757
S: I see, so what will you do for the Nintendo 3DS version of Ninja Gaiden, then?
YH: Right now, we are concentrating on Ninja Gaiden 3. To be honest with you, Ninja Gaiden for 3DS is still in very early in development.