Jason Momoa's got the need for speed, and he's inching closer to letting loose his luscious brown locks as he's in talks to join .According to multiple reports, the star is on the verge of striking a deal to join the high-octane franchise, with speculation that he could be one of the next villains. Momoa would star opposite Vin Diesel, Michelle Rodriguez, Ludacris, Tyrese Gibson, Sung Kang and Charlize Theron.