VIDEO: Agents of S.H.I.E.L.D. Finally Delivers on a Major Marvel Cinematic Universe Tie-In

"One Door Closes" flashes back to the day S.H.I.E.L.D. fell in Captain America: The Winter Soldier

"They don’t know this base like we do. They don’t know all the secret spots for keeping mint condition memorabilia safe." - Director Coulson