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 in film DVD/home video releases of "Superman", "Superman II", "Superman III", and "Superman IV". The set was valued at US$49.99 for the DVD release and US$29.99 for the VHS release, and received positive reviews. The four Christopher Reeve films were again released on November 28, 2006, in new DVD releases to coincide with "Superman Returns", also released in that year. "Superman" was released in a four-disc 'special edition' similar to "Superman II", which was released in a two-disc special edition. Both "Superman III" and "IV" were released in single disc 'deluxe editions', and all four releases were available together in "The Christopher