Superman was a single frame.
Superman (1978 film) . The most expensive film made up to that point with a budget of $ 55 million , Superman was released in December 1978 to critical acclaim and financial success , earning $ 300 million during its original theatrical run . Groundbreaking in its use of special effects and science fiction/fantasy storytelling , the film 's legacy presaged the mainstream popularity of Hollywood 's superhero film franchises .