Mad props to Vin Diesel . The man sure loves his fans, and they sure love him back. And within that relationship is a constant flow of communication from Diesel to his fans about the projects he's working on. Today, Diesel posted on his Facebook page about the DVD success of his latest film, Riddick , and how Universal has asked him to develop a fourth installment in the anti-hero 's franchise. For us Riddick fans, this is very, very good news.