GI Joe: Origins (2009) #23

Dr. Lester Horvath has transformed Michael Monk from a suicidal ex-soldier into the ultimate assassin. Now, the wolves are at the door and 'the Mad Monk' has come to kill his one-time benefactor. It's time for Dr. Horvath to play his final card in a game where death is assured, but the revelation of a single number may change everything.