Supermen | Training To celebrate the release of Superman, here’s looking at all the Supermen training for the big screen. Christopher Reeve began intense preparation in Feb 1977 under former champion David Prowse—morning runs, two‑hour weightlifting sessions, 90‑minute trampoline work; he doubled calories (4 meals snacks), adding ~30 lb to go from 188 to 218 lb by filming . He later shifted to more cardio for Superman IV . Brandon Routh bulked up ~22 lb to 218 lb before Superman Returns . His ro