Independance Day

Katherine Prince is Wonder Girl. She is the Protégé of Wonder Woman, her older sister.

Once Kate realizes that she is considered a sidekick, and not a true hero, she decided to make a change.

With her friends, Robin, Kid Flash and Aqualad, together, they form a group full of some of the Justice League's brightest Protégés.

They will become the Young Justice League.

They will become Young Justice.