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
Superman IV: The Quest for Peace the box office. It ended up with a total domestic gross of $15,681,020. Of the four Superman films starring Reeve, "The Quest for Peace" fared the worst at the box office, and the series went dormant for the following nineteen years. Reeve regretted his decision to be involved in the film, saying, ""Superman IV" was a catastrophe from start to finish. That failure was a huge blow to my career." Plans were made to make a "Superman V", but they never came to fruition. Reeve's 1995 paralysis made any further development of sequels involving him in the starring role impossible.