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
Superman and Lois Lane Siegel and Joe Shuster. Across decades of comics, Lois would suspect Clark is Superman and tries to prove it, but Superman always thwarts her. This theme became particularly pronounced in the 1950s and 1960s comics. The first official DC Comics story where Superman marries Lois Lane (not dreams, hoaxes or imaginary tales, but in DC canon) was in "Action Comics" #484 (June 1978). In this 40th anniversary of Superman issue, a wizard wanted to rid the world of Superman but had no idea that Superman had a secret identity. Clark, with no memory of being Superman and therefore no need