Superman (1939). Certain materials such as lead can block his X-ray vision. Superman can project beams of heat from his eyes which are hot enough to melt steel. He first used this power in "Superman" #59 (1949) by applying his X-ray vision at its highest intensity. In later stories, this ability is simply called "heat vision". Superman can hear sounds that are too faint for a human to hear, and at frequencies outside the human hearing range. This ability is introduced in "Action Comics" #11 (1939). "Action Comics" #1 (1938) explained that Superman's strength was common to all Kryptonians because they
The Death of Superman "The Adventures of Superman" #500 (June 1993). They also considered a "Death of..." story, but did not work on it in depth. While the Superman comics struggled, DC's sister company Warner Bros. developed "", a television series for ABC centered around the relationship between Lane and Kent. One of the ideas that arose during production was the wedding of Lane and Kent. Although the series did not exist in the same continuity as the comics, Warner Bros. wanted the Superman brand to remain consistent across all forms of media. As a result, Carlin and DC president Jenette Kahn decided to