Wu Shi Hun

Wu Shi Hun (武士魂 “Samurai Spirit”), called Samurai Spirits on the label and also released as Samurai Shodown III, is a Famicom fighting game based on SNK’s Samurai Shodown and developed by Rex Soft.

Version 1 has only Nakoruru, Ukyo, Haohmaru, and Charlotte
Samurai Shodown III version allows two players to pick same of these four characters
Version 2 adds Jubei, Kyoshiro, Galford, and Wan-Fu