Manori Ravindran International EditorNetflix’s latest genre offering from Korea, dark sci-fi thriller “Hellbound,” doesn’t waste any time in getting straight to the action. In the first minutes of the pilot, giant, billowing demons — think The Hulk meets an evil Michelin Man — erupt into the heart of Seoul to torture and scorch to death one of the damned members of the public.That is, literally damned.