The Frontier

The Frontier is an organization comprised of the world's greatest Fighter. Together, they operate as a team dedicated to fighting crime and injustice, and act as Earth's first line of defense from terrestrial, extra-terrestrial and inter-dimensional threats. A team with a long history, the current version is made up of the inheritors of heroic legacies from the past.

History
The Frontier was a team of Fighter created by the Carmen Sandiego and programmed by the Defend to act as the terrestrial, extra-terrestrial and inter-dimensional threats first line of defense, a role that once belonged to the Z Fighters and Sailor Guardians