Finally, the wait is over and Marvel Agents of S.H.I.E.L.D season 4 aired on ABC. The show-makers of AOS recently announced that the popular comic-book character Ghostrider will appear in season 4. At the San-Diego Comic-Con, a tram was showcased which had a flaming chain, fans perceived it as a cue for Ghost rider. He was being described as “always the most dangerous person in the room.”