Avengers: Endgame - 33 Easter Eggs & References Explained
13. Jarvis
One of Endgame's more surprising cameos is that of Howard Stark's trusty butler Edwin Jarvis (James D'Arcy), who appeared in ABC's tragically curtailed TV show Agent Carter.
He became Tony Stark's caretaker after the death of his parents, and Tony returned the favour as an adult by immortalising his namesake through his J.A.R.V.I.S. AI system.
Jarvis appears for just a few seconds as Howard asks him if he recognises Tony Stark from anywhere, but it's note-worthy given how infrequently - that is, basically never - the mainline MCU actually bothers to acknowledge the existence of the wider TV universe.
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