It’s official! ABC has given the series order on Marvel’s Agents of S.H.I.E.L.D. Viewers can get their first look at the new series this coming Sunday during the season finale of Once Upon a Time. Starring Clark Gregg – who reprises his role as Agent Phil Coulson – Ming-Na Wen, Brett Dalton, Iain De Caestecker, Elizabeth Henstridge and Chloe Bennet, Marvel’s Agents of S.H.I.E.L.D. will debut this fall.