At New York Comic Con Marvel announced Clark Gregg will reprise his role as Agent Phil Coulson in the SHIELD live-action television pilot by Joss Whedon. Gregg played Coulson in Iron Man, Iron Man 2, Thor and The Avengers.
The actor is the voice of Principal Coulson on the Ultimate Spider-Man series.
Maybe the clever agent used his life model decoy in the his encounter with Loki in The Avengers? Phil Coulson recently joined the Marvel comic universe in the Battle Scars mini-series.