THERE'S NO CONFIRMATION THAT JOKER WAS SUPPOSED TO RETURN IN THE DARK KNIGHT RISES; BRUCE RETIRED BECAUSE OF THE DENT ACT, NOT BECAUSE OF RACHEL'S DEATH AND THERE WAS BUILDUP TO IT IN THE FIRST TWO FILMS; THERE'S NO PROOF THAT WARNER BROS. BRIBED NOLAN TO MAKE TDKR OR SHOW BRUCE ALIVE AT THE END