Man of Steel, Woman of Kleenex was reprinted in the 1990 Niven compilation "N-Space". It was published with softcore illustrations by classic Superman artist Curt Swan with all identifying logos and names removed, in a 1995 edition of "Penthouse Comix". In 1986 it was posted to Usenet, leading to an early debate about online copyright violation. Man of Steel, Woman of Kleenex Man of Steel, Woman of Kleenex is a 1969 essay in which science fiction author Larry Niven details the problems that Superman would face in sexual intercourse and reproduction with a human woman, using arguments based on humorous reconciliation between physics, biology, and the
Superhero fiction on the general public, and to enable them to act freely, and hence illegally, without risk of arrest by law-enforcement authorities. Death in superhero fiction is rarely permanent, as characters who die are often brought back to life through supernatural means or via retcons (retroactive changes to the continuity), the alteration of previously established facts in the continuity of a fictional work. Fans have termed the practice of bringing back dead characters "comic book death". Another common trait of superhero fiction is the killing off of a superhero's significant other by a supervillain to advance the plot. Comic book writer