Adi Shankar, producer of "Dredd" recently put any rumors to rest about a possible sequel to last year's release.  During an interview, Shankar stated, quite frankly, why the film won't happen.

"It's because the movie totally bombed & R-rated movies are a tough sell to begin with. If Dredd becomes a cult hit it will be awesome. Last September was a terrible month: Dredd bombed and then Looper became a massive hit a week later!"

He did say that he is working on a short film for "Dredd", like the "Punisher" short film he had done with Thomas Jane last year.