Christopher Reeve later made even higher gains for "Superman III" (1983), though for "" (1987), he decided it would be healthier to focus more on cardiovascular workouts. One of the reasons Reeve could not work out as much for "" was an emergency appendectomy he had in June 1986. Reeve was never a Superman or comic book fan, though he had watched "Adventures of Superman" starring George Reeves. Reeve found the role offered a suitable challenge because it was a dual role. He said, "there must be some difference stylistically between Clark and Superman. Otherwise, you just have a pair of glasses
Publication history of Superman both of these changes were eventually reversed. Also Superman's Earth-2 counterpart married the Lois Lane of his world, and new rivals such as Terra-Man and Parasite appeared. In 1978 "Superman" was released. The film featured groundbreaking special effects and stars such as Marlon Brando and Gene Hackman, but it was the performance of newcomer Christopher Reeve under the direction of Richard Donner that made the film come alive in the eyes of many critics. The film engendered a series of sequels throughout the 1980s. However, the later three sequels proved to be less successful than the first. In 1970, the