This story is a sequel to Equestria Girls: The Spectrum War
After researching their universe's version of Hal Jordan, Twilight discovers that the JSA aren't the only superheroes to retire. The government has forced all superheroes into retirement after a horrific event. But after seeing The Rainbooms willpower and heroism, the heroes of the world have been reminded what being a heroes means and they decide to forget the government's rules. Along with the old heroes, a new generation heroes start appearing. Along with that Twilight must make a choice about taking on the mantle of a fallen hero.