Phil Coulson

S.H.I.E.L.D Agent Phil Coulson appeared in all the movies leading up to The Avengers along with Nick Fury. Coulson was one of the few S.H.I.E.L.D agents that got to be part of The Avengers initiative who was Nick Fury, Agent Natasha "Black Widow" Romanoff, Agent Clint "Hawkeye" Barton, Agent Maria Hill, and of course, Agent Phil Coulson. He had his biggest part in The Avengers, but he was killed by Loki Laufeyson how stabbed him with his spear from behind. He was played by Clark Gregg.