premise: Gotham City Sirens was exclusively created in in Argentina.
hypothesis: Gotham City ( [ ˈɡɒθəm ] ) , or simply Gotham , is a fictional city appearing in American comic books published by DC Comics , best known as the home of Batman . Gotham City Sirens is an American comic book series was written by Paul Dini with art by Guillem March and published by DC Comics .