Thomas Kretschmann was 51 in Avengers: Age of Ultron when he played the character 'Baron Wolfgang von Strucker'.
That was over 9 years ago in 2015.
Today he is 61, and has starred in 104 movies in total, 16 of those since Avengers: Age of Ultron was released.
In Avengers: Age of Ultron, I think Thomas Kretschmann looks: