Legendary must be feeling pretty good about their upcoming Pokemon-inspired movie Detective Pikachu, because almost three months before the film hits theaters, the studio has started developing a sequel. THR reports that the studio has hired 22 Jump Street Oren Uziel to write the script for the follow-up. The plot details are still under wraps. Detective Pikachu stars Ryan Reynolds as the voice of everyone's favorite cuddly pokémon Pikachu as he assists Tim (Justice Smith), the son of an ace detective who takes on a case of his own when his father goes missing. Goosebumps director …