Superman (Salkind films) him to contradict Jor-El's orders to avoid altering human history, time traveling to save her from dying. Superman instead takes the advice of Jonathan Kent, his father on Earth. One of the most important aspects in the first and second films was the romantic relationship between the two main characters; Clark was hopelessly in love with Lois and even gave up his powers in order to be with her as depicted in "Superman II". The character and the portrayal by Christopher Reeve has garnered positive reviews by film critics and many other journalists. American Film Institute ranked Reeve's take on
Superman (Salkind films) where once again he comes face to face with Luthor and his new creation from Superman's DNA called Nuclear Man. A spin-off film called "Supergirl", based on the comics character Supergirl, starred Helen Slater as the cousin of Superman. Christopher Reeve was originally planned to have a cameo appearance in it but bowed out early on. The development process behind the creation of DC Comics character Superman in the "Superman" film by Mario Puzo, David Newman, Leslie Newman and Robert Benton was conceived when Ilya Salkind bought the rights for Superman in film. Many A-list directors and actors were sought