Marvel's "Agents of S.H.I.E.L.D." has just premiered to great reception and viewership, and things look promising for the Joss Whedon TV series. The pilot episode not only saw the return of Agent Phil Coulson and Maria Hill, but introduced a slew of new characters who will join "Agents of S.H.I.E.L.D." in new assignments. Check this photo gallery of the "Agents of S.H.I.E.L.D." pilot below!