'Marvel's Agents of S.H.I.E.L.D' trailer: First full look at new ABC show

agents-of-shield-abc.jpgWell, fanboys (and girls), here it is: Your first look at the new ABC series "Marvel's Agents of S.H.I.E.L.D."

The network teased the teaser (why that's become a thing, we'll never understand) early Sunday (May 12), hoping to drive fans to the "Once Upon a Time" finale where the longer trailer would debut.

The clip is narrated by Clark Gregg's magically resurrected Agent Coulson, though there's still no hint as to how he's back among the living after "The Avengers."

"We work the cases that S.H.I.E.L.D. hasn't classified; the strange, the unknown," he explains. "It's not just spy versus spy anymore -- the whole world's in on the action."

It's still a frustratingly brief clip, teasing so many images without any real explanation. No doubt an even longer trailer is to come this week when ABC unveils their 2013-14 lineup at their Upfront on Tuesday.

For now, this will have to do. Be sure the check out the clip below.

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Photo/Video credit: ABC