Linda Cardellini was 38 in Avengers: Age of Ultron when she played the character 'Laura Barton'.
That was over 9 years ago in 2015.
Today she is 48, and has starred in 38 movies in total, 15 of those since Avengers: Age of Ultron was released.
In Avengers: Age of Ultron, I think Linda Cardellini looks: