Can't wait another second for Joss Whedon's next Marvel epic to air on ABC? We've got you covered. Behold a cavalcade of new SHIELD images, including a surprise cameo by a Firefly star.

Yes folks that is Ron Glass, Shepherd Book of Firefly, joining the cast of SHIELD. Which, excellent. And if you need even more Coulson check out our (spoiler free) review of the pilot, which premiered at Comic-Con.