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 Superman Family Krypto Mouse, a character who appeared in a single story in "Superboy" #65 (June 1958), inspired a similar character created by Baltazar for "Superman Family Adventures". "Superman Family Adventures" ended with issue #12. The Superman Family The Superman Family was an American comic book series published by DC Comics from 1974 to 1982 featuring supporting characters in the "Superman" comics. The term "Superman Family" is often used to refer to the extended cast of characters of comics books associated with Superman. A similarly titled series Superman Family Adventures was launched in 2012. "The Superman Family" was an amalgamation of the