A trademark filed for Okamiden in Japan has Siliconera suggesting that it could be Okami 2.
Since Clover Studios has gone bye-bye, Capcom now owns the rights to the series.
Ready at Dawn released the Wii version of the game last year which is finally expected to land in Japan on October 15.
We've sent a mail Capcom's way to see if we can get more on this.
Hopefully someone will get back with us soon.