TMNT USAGI YOJIMBO WHEREWHEN #1 CVR D INCV MYERRELEASE DATE 4 12 23 The Teenage Mutant Ninja Turtles pursue the evil cyborg genius Dr. WhereWhen through a time portal and emerge in feudal Japan! There, they encounter Usagi Yojimbo, 20 years into the samurai's future but decades after the arrival of Dr. WhereWhen who has already carved himself a fiefdom using mechanized clockwork samurai robots with the intention of conquering both the past and current timelines!