Superman in film the script, giving it a serious feel with Christ-like overtones. Christopher Reeve was cast as Superman, having initially failed to impress the Salkinds before bulking up. Brando meanwhile, despite spending less than two weeks on the shoot, and not even reading the script until then, earned $3.7 million up front, plus 11.75% of the gross profits from the film. The film was a success both critically and commercially, being released during the Christmas season of 1978; it did not have much competition, leading the producers to believe that this was one factor in the film's success. Shooting of the two
Christopher Reeve nuclear disarmament plot was his idea. Cannon Films purchased the production rights to the character of Superman from Alexander Salkind and his son Ilya Salkind, the original producers of the film series, in the mid-1980s. Cannon Films were known for low-budget, poorly acted, poorly scripted action films. They cut the budget of "" in half to $17 million. The film was both a critical failure and a box office disappointment, becoming the lowest grossing Superman film to date. Reeve later said, "the less said about "Superman IV" the better." Both of Reeve's children from his relationship with Gae Exton had