Developer Komi Games has announced that Kunio and Riki, from the Kunio-Kun series, have been confirmed in Mighty Fight Federation as playable characters in collaboration with Arc System Works.
Mighty Fight Federation is an arena fighting game for four players. We have also had confirmation that ToeJam & Earl and Yooka-Laylee will also be in the game.
Mighty Fight Federation is in early access on PC via Steam. A full version is planned for PS5, PS4, Switch, and PC, but there is still no release date.