Hayley Atwell was 32 in Avengers: Age of Ultron when she played the character 'Peggy Carter'.
That was over 9 years ago in 2015.
Today she is 42, and has starred in 40 movies in total, 16 of those since Avengers: Age of Ultron was released.
In Avengers: Age of Ultron, I think Hayley Atwell looks: