The latest Marvel One-Shot, "Agent Carter," is included on the Iron Man 3 Blu-ray/DVD,.  First, Marvel screened the short to a roomful of lucky fans on Friday.  You are not quite so lucky, but we do have the first clip for you.  "Agent Carter" picks up with British operative Peggy Carter (Hayley Atwell) where the events of Captain America: The First Avenger left off---right as she joins this new organization called S.H.I.E.L.D.: "As she searches for the enigmatic 'Zodiac' key, Agent Carter also battles her sexist, bureaucratic boss, Agent Flynn (Bradley Whitford), who thinks women have no place in the secret-agent business."  Dominic Cooper also appears as Howard Stark.

Hit the jump to watch the clip of a fearsome Peggy Carter, plus 30 pictures from the "Agent Carter" Comic-Con panel released by Marvel.

Official synopsis:

Picking up where the events of CAPTAIN AMERICA: THE FIRST AVENGER left off, “Agent Carter” tracks British operative Peggy Carter (THE FIRST AVENGER’s Hayley Atwell) as she joins the nascent S.H.I.E.L.D. organization. As she searches for the enigmatic “Zodiac” key, Agent Carter also battles her sexist, bureaucratic boss, Agent Flynn (THE WEST WING’s Bradley Whitford), who thinks women have no place in the secret-agent business.

Co-starring Dominic Cooper (CAPTAIN AMERICA: THE FIRST AVENGER) as Howard Stark, “Agent Carter” is the fourth entry in the fan-favorite “Marvel One-Shot” Short Film Series, which exists within the continuity of the Marvel Cinematic Universe.