Charlize Theron, who will hit a birthday milestone this summer, is back as axe-wielding superhero Andy in the Netflix action sequel "The Old Guard 2."

Director Victoria Mahoney explains how Charlize Theron was responsible for one of the movie's most important sequences.

The Old Guard 2 has only just premiered on Netflix, but franchise lead Charlize Theron is already raising doubts about the possibility of The Old Guard 3.