Earlier today 'The Avengers' director Joss Whedon spoke about ABC and Marvel's upcoming 'S.H.I.E.L.D.' TV series, specifically how the spectacle of its story would differ from the Marvel films, but one question about the pilot will likely boggle viewers right up until the 'S.H.I.E.L.D.' series premiere. Most importantly, how will Clark Gregg's Agent Phil Coulson headline the series, given the events of 'The Avengers?' Will the 'S.H.I.E.L.D.' TV series take place in prequel? Find out new details of Coulson's return inside!