The show started out as a simple TV tie-in to the larger Marvel Cinematic Universe. But Agents of S.H.I.E.L.D. ultimately found it's own identity, delving into some of the more wild aspects of the comics, bringing to life beloved characters such as Ghost Rider, diving into other dimensions, stopping rampant A.I.'s, seeing alternate realities, and preventing alternate pasts (And futures). As the show became less and less a tie-in and more and more a separate entity to the MCU, the show's quality improved until now coming to a grand finale where the very fate of our heroes (And our world) lie in their hands. If anything, it allowed fan favorite Agent Phil Coulson, played throughout by Clark Gregg, to stay in the picture and he didn't disappoint. None of the cast did.
And now, as pointed out by the title of the new trailer for the double episode series finale hitting ABC this Wednesday (August 12th), after all they have overcome, the "Last Mission" is here: