Gearbox boss Randy Pitchford teased fans at PAX in Seattle this weekend that the developer will start talking about the next Duke Nukem game "soon".
Speaking at the Gearbox community panel, Pitchford said the studio is still determined to make "our own Duke game".
"I know that you guys figured out that, when Gearbox acquired the franchise, we didn't do it just to make sure we could all play Duke Forever, but because we wanted to make our own Duke game," he said. "Soon, we'll talk about that, but not today."
Of Duke Nukem Forever - which was mostly panned by critics - Pitchford said he's still "proud" of what Gearbox delivered.
"I hope some people kind of enjoyed it. When I dug through all the stuff that [original development studio] 3D Realms had done, I expected a trainwreck and I was actually quite pleased.
"I had a lot of fun with it," he added. "It was fun for me, and I'm really glad that we not only rescued the franchise but took the time to make sure the world could see what those guys had been doing for all of those years.
"And I'm also proud of the things we added to it. I think we did some things to make it a little better."
Duke Nukem Forever's first DLC pack, which includes new multiplayer maps, is due out this autumn.