The League of Freedom is a superhero group that is led by the aging superhero Titanium Rex. From their base called SuperMansion in the fictional city of Storm City, Titanium Rex and his fellow superheroes Black Saturn, American Ranger, Jewbot/Robobot, Cooch, and Brad struggle to keep the team relevant when occasionally visited by the government accountant Sgt. Agony even if it involves fighting an assortment of supervillains like Dr. Devizo as well as Titanium Rex's daughter Lex Lightning. In season two, Dr. Devizo and Lex Lightning form the Injustice Club in order to combat the League of Freedom. In addition, the League of Freedom deals with a Subtopian invasion led by Titanium Rex's older brother Titanium Dax.