 Dick Grayson appears as Robin in "" multiplayer mode, voiced by Josh Keaton, with the ability to unlock Tim Drake's costume from "Arkham City".In "", Tim Drake returns as Robin (voiced by Matthew Mercer) and Dick Grayson returns as Nightwing (voiced by Scott Porter), while Jason Todd (voiced by Troy Baker) makes his debut as a new persona called the Arkham Knight, eventually transitioning into Red Hood.Dick Grayson as Nightwing appears in "", voiced by Troy Baker.