AGENTS OF S.H.I.E.L.D. Star Clark Gregg Says Don't Expect Agent Coulson To Reunite With THE AVENGERS…Yet

It’s been six years since Phil Coulson (Clark Gregg) died in The Avengers, and while he returned to life, his superhero teammates remain blissfully unaware. Gregg says that isn’t changing any time soon.
Source: COMIC BOOK MOVIES