Did you hear that? That was the sound a bazillion "geek gasms" (yeah, I went there). S.H.E.I.L.D., the organization that put "The Avengers" together, is the focus of new weekly series coming to ABC. What hero's will show up? Will they be familiar or new faces? Not much is answered, but there's no lack of action in this promo for the new t.v. series. More after the jump.