We spent months knowing Hayley Atwell as the only actor officially on-board for the upcoming series Agent Carter, but slowly that has started to change. In recent weeks it's been revealed that Chad Michael Murray and Enver Gjokaj have come aboard to play SSR Agent Jack Thompson and Agent Daniel Sousa, respectively, but now we have news that another character from the established Marvel Cinematic Universe will be regularly popping up in the show. The twist here is that he will be appearing in a very different form than audiences have come to recognize him.
It would seem that Tony got the name of his home security/Iron Man operating system from that of his father's butler! Maybe the young Tony was able to connect with Jarvis while his dad was too busy with work and being cold and distant (as seen in Iron Man 2).