Agent Coulson takes the work very seriously. He certainly has some fun with Spider-Man and the others, but he takes each of their tasks, including when they get involved with the drama club, way too seriously. The adventures that they come up with are really exciting.
Clark GreggThe technology actually seemed to come at just the right time to make the Hulk - Mark Ruffalo was really able to play both characters.
Clark GreggSpeaking as Coulson, it's unclear. I feel like that are other formidable S.H.I.E.L.D. elements and they don't have Coulson's connection to some of these people. I think what I like about what seems to be going on is there are differing opinions about who's where on the hierarchy and I think that's some of what goes on in the movie.
Clark Gregg