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 Superman group editor Mike Carlin had to assemble new creative teams to replace him. Ordway began to write "The Adventures of Superman", while Roger Stern, who had recently finished a 12-year stint at rival publisher Marvel Comics, took over "Action Comics". Connecting stories also became harder due to the new and diverse creative teams, whereas Byrne had managed most of them on his own. To control consistency in stories, the teams regularly attended a "Superman Summit", which started in 1988. The summit was a unique method of making the writers work together, focusing their attention to the next year's worth