We get more and more excited for the Marvel one-shot short film Agent Carter, with Hayley Atwell reprising her role as Peggy Carter, with each new clip. In this one, Peggy discovers a strange vial, but she won't make off with it easily.
You can also watch the first clip over at EW. Agent Carter will be available in its entirety on the Iron Man 3 Blu-ray, out September 24.
[via Comic Book Movie]