One of the big unknowns at the moment is what exactly Rocksteady Games is working on. As the creators of the excellent Batman Arkham trilogy, the studio has noted that its next endeavor would be something different. Which has led people to believe that WB Games would simply find another studio to keep the Arkham franchise going. Not so, according to the voice of Batman Kevin Conroy.
Speaking with Wizard World Nashville over the weekend the actor stated the following,
“I can’t believe that they’re not going to do another one, but they’re not. Isn’t that amazing? They made literally billions of dollars on those games, but no, there’s no plan to do another one. Sorry.”
Even though that billions of dollars bit might be an exaggeration, what we can gather from this is that he hasn't been approached or recorded any voice work for an upcoming Batman game. Which is shame, because it's a great series. Oh well, at least we still have more Telltale Batman to look forward to.
It's also worth noting that the recording of voice actors varies from studio to studio so there could still be a new Arkham game incoming, but that it's still too early to reveal.
Source: Dark Horizons