Warning: Some spoilers from the most recent Agent Carter episode follow... For the last few years or so, most MCU fans knew J.A.R.V.I.S. as Iron Man's artificial intelligence system, voiced by Paul Bettany. However, Marvel's Agent Carter, which began airing on ABC earlier this month, showed us to the man behind the tech -- Edwin Jarvis -- played by the oh-so charming James D'Arcy.