Spyral [Agent 37 [Dick Grayson; also as Nightwing; also as Robin]; Frau Netz (first appearance); Matron [Helena Bertinelli]; Mr. Minos]; Batman [Bruce Wayne] (flashback); John Grayson (flashback); Maksim; Mary Grayson (flashback); Midnighter [Lucas Trent; also as Black Oak]; Ninel Dubov; Joker (flashback, villain); Penguin [Oswald Cobblepot] (flashback, villain); Riddler [Edward Nygma] (flashback, villain)
Synopsis
As an agent of Spryal, Dick Grayson travels deep inside Russia to help neutralize Ninel Dubov.