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 conclusion resulted in the DC Universe—the shared universe that the publisher's comics, including those related to Superman, take place in—being rebooted. Writer/artist John Byrne re-envisioned Superman in his 1986 limited series, "The Man of Steel". The following year, Byrne relaunched "Superman" with a new first issue and the original series was renamed "The Adventures of Superman". In the reboot, Byrne removed various elements of the Superman mythos, like Supergirl, to streamline the character for modern audiences, which also allowed him to reintroduce them in a new way later on. The relaunch was a major success for DC and "The Man