Kirk Alyn sets the herioc standard for generations to come, portraying Superman in these multichapter cliffhanger adventures that kept Saturday matinee crowds coming back for more. The 15-chapter Superman (1948) spans our hero's first arrival on Earth to his alter-ego role as reporter Clark Kent through his battle with sinister Spider Lady. In the 15-part Atom Man vs. Superman (1950), a UFO and A-bomb imperil Metropolis