ABC will unveil the first full trailer for its new fantasy series Marvel's Agents of S.H.I.E.L.D. during the Once Upon a Time season finale Sunday night, but fans can get a first look here with this seven-second teaser.
In the clip, Agent Coulson (Clark Gregg) has been brought back to life after being killed in the 2012 movie The Avengers. And he appears to be out for revenge.
Check out the first sneak peek, and bookmark this link to see the full trailer once it premieres:
View original VIDEO: Get Your First Look at ABC's New Series Marvel's Agents of S.H.I.E.L.D. at TVGuide.com
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