Original sentence: CGI in the first Superman movie was obviously needed to achieve the super effect,the CGI was not as advanced compared to recent films, but it was enough for what the sequence's in the film added together required to achieve the finish to the film.Other CGI was used in the film for the fight scenes; this included the 'metal woman' scene, in which electricity and flying objects were used to create the 'metal woman' exactly how they wanted it.The CGI was mainly used in the flight sequence's to make it look like Superman was really flying, this was quite advanced for 1978, and changed the way superhero films CGI was put into play
Edited sentence: CGI in the first Superman movie was obviously needed to achieve the super effect,the CGI was only amateur (compared to recent films) but it was enough for what the sequence's in the film added together required to achieve the great finish to the film that is Superman.Other CGI was used in the film for the fight scene's, this included the 'metal woman' scene, in which electricity and flying objects were used to create the 'metal woman' exactly how they wanted it.The CGI was mainly used in the flight sequence's to make it look like Superman was really flying, this was quite amazing back in 1978, and changed the way superhero films CGI was put into play