Nightwing (2016-) #42

"THE CRIMSON KABUKI"! When Damian Wayne disappears during a solo mission to Tokyo, Nightwing must enter the seedy underworld to save the boy who was once his Robin. But Dick will have to ascend the Crimson Kabuki's tower of crime and survive a game of death against three of Japan's most powerful fighters. Can Nightwing defeat an entire building of elite fighters, or will he lose Damian forever?