Mr. Freedom (1968)

aka: Mister Freedom

The story of Mr. Freedom (John Abbey), the All-American superhero sent to France to fight the dark forces of anti-freedom. (communism, anarchy, feminism, etc). When it's finally made clear to him how unwelcome he is, he realizes that the only way to save the country is to destroy it. Also with Delphine Seyrig and Donald Pleasance.