In a suprise announcement following the award ceremony at this weekend's Japan Gamer's Live event, Tecmo Koei producer Yosuke Hayashi announced Dead or Alive 5: Last Round, coming to Japanese PS4 and Xbox One consoles in spring of next year.
No information on a Western release — in fact very little information at all, aside from the teaser trailer below (courtesy of Esuteru) and the spring 2015 release date.