In addition to Riddick 4 being in development, Vin Diesel has teased a possible spinoff TV show called Merc City. While Diesel may be best known now for portraying the often memed Dom Toretto in the Fast and the Furious franchise, the first character he played to really get the attention of the audience was antihero Richard B.
Riddick in 2000's Pitch Black. A blend of sci-fi and horror, Pitch Black was an ensemble piece, but Riddick was the clear standout of the bunch, managing to be both
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