The Registration Acts—the Mutant Registration Act (MRA), the Keene Act, the Superhuman Registration Act (SRA, or SHRA), the Sokovia Accords and the Vigilante Registration Act (VRA)—are fictional legislative bills that have been plot points used in various comic books and superhero films which, when passed into law, enforce the regulation of vigilante vs. criminal activity and/or the mandatory registration of superpowered individuals with the government. The issue that the government might seek to regulate the activities and civil rights of superheroes, or view them as valuable national security resource subject to conscription without notice in times of crisis, has also been explored in other comics, such as those featuring DC's Justice Society of America team, series like Watchmen, Astro