Sad news, Flameheads. (Not an official title, we didn't have time to workshop it.) Variety reports that Hulu is no longer moving forward with its live-action Ghost Rider series, which was set to star Gabriel Luna as Marvel's cursed-biker anti-hero, Robbie Reyes. Ingrid Escajeda (Sneaky Pete) was supposed to serve as showrunner on the series, which the report notes was ultimately nixed due to a "creative impasse". Luna first played the role on ABC's Agents of S.H.I.E.L.D., where a season 4 arc saw Robbie Reyes team with the title …