Agents of S.H.I.E.L.D. will return on Tuesday, September 20, at 10 p.m. on ABC.
Robbie is notable for being the latest character to take up the mantle of Ghost Rider, and if this theory is true, that would make Ghost Rider the biggest superhero character to appear on the show.
Until then keep checking back in with CinemaBlend for more Agents of S.H.I.E.L.D. updates.
To learn more about what else you can find in primetime later this year, head on over to our Fall TV Premiere List.