Fan Casting Wonder Girl in Wonder Woman III: A New Age (1998)

Donna Troy, also known as Wonder Woman, is the deuteragonist of Wonder Woman III: A New Age. A troubled teenager who turns out to be an Amazonian from Themyscira and as such, has many of the same attributes of Wonder Woman. For this, Diana takes Donna under her wing and teaches her how to become a better version of herself and therefore turning her into Wonder Girl, allowing her to help in Diana's battle against Veronica Cale, Doctor Psycho, Giganta and Silver Swan.