Dominic Cooper's Howard Stark and James D'Arcy's Edwin Jarvis feature in clip that reveals the threat at the heart of the 8-episode series
Trailer spotlights Hayley Atwell's titular heroine for 1940s-set series that will replace "Marvel's Agents of S.H.I.E.L.D." on ABC schedule for two months
The actor will return to his role from "Captain America: The First Avenger"
The actor has booked the ABC series' lead male role opposite Haley Atwell
ABC's midseason drama also stars Hayley Atwell, Chad Michael Murray and Enver Gjokaj
Carter is reprising her "Captain America" role
The actors join Hayley Atwell on the upcoming ABC series
Comic-Con 2014: Also, "Agent Carter" revealed plot details and first directors