Detective Comics Vol. 1 (1937-2011; 2016-) #170

Plot

Batman and Robin venture out to track down a pirate submarine that has been torpedoing and looting cargo ships. However, after locating the vessel, the Dynamic Duo are captured and forced to become crew members on the new Flying Dutchman II. To make matters worse, the crew is taking bets as to who Batman actally is under the mask.