At the moment there's no information available regarding matchmaking or possible venues for the event any February Deep event.
As for the Ultimate Fighting Championships, the leading MMA organization has been speaking of returning to Japan for a while. The UFC hasn't visited Japan since 2000. Between 1999-2000 they staged three events there. But, today critics question the success of a UFC-Japan event, citing the promotion's lack of relevance among Japanese MMA fans.
The Deep-UFC same day situation is still developing. More information as it comes...