Untitled Batman Beyond: Return of the Joker sequel
A second Batman Beyond film was planned, but it was cancelled due to the dark tones and controversies surrounding the previous film Batman Beyond: Return of the Joker.
Plot
It involves Terry McGinnis, the Second Batman, discovers that he is a clone of Bruce Wayne, his predecessor, and Selina Kyle, Catwoman, being his creator, but the rest of the details were unknown.
Why It Was Cancelled
- The film was cancelled following the controversies surrounding Batman Beyond: Return of the Joker (mentioned earlier).
Result
- The film was permanently cancelled.
- Some elements of the film were adapted to the Justice League Unlimited episode, Epilogue.