He was interviewed for the documentary United We Stand, Divided We Fall: The Making of Captain America: Civil War.
- He was nominated for a Saturn Award for Best Supporting Actor for his work on Avengers: Age of Ultron.
- Paul Bettany is the first actor to portray two major characters in the Marvel Cinematic Universe.
- Paul Bettany previously worked with Jon Favreau in Wimbledon.
- Paul Bettany worked again with Anthony Mackie in Shelter.
- Paul Bettany is married to actress Jennifer Connelly, who portrayed Betty Ross in Ang Lee's Hulk. Their son Stellan is named after Stellan Skarsgård.
- Paul Bettany admitted in an interview with Digital Spy in 2012 that he had a general disinterest in the Marvel Cinematic Universe and had not seen any of the films until he was cast as Vision, stating that his role as J.A.R.V.I.S. was mainly for financial gain.