Wonder Woman is a fictional superheroine created by William Moulton Marston, first appearing in All Star Comics #8 in 1941. She represents a groundbreaking shift in gender representation within the comic book and film industries, challenging traditional stereotypes of women by embodying strength, independence, and compassion. As an iconic figure, she serves as a symbol for female empowerment and has significantly influenced the portrayal of women in cinema, particularly within the action and superhero genres.