Michelle Pfeiffer was 59 in Ant-Man and the Wasp when she played the character 'Janet van Dyne / Wasp'.
That was over 6 years ago in 2018.
Today she is 66, and has starred in 69 movies in total, 5 of those since Ant-Man and the Wasp was released.
In Ant-Man and the Wasp, I think Michelle Pfeiffer looks: