Man of Steel, Woman of Kleenex 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 abilities of Kryptonians as presented in Superman comic books. The issues discussed include Superman's loss of physical control during intercourse, the presumed "super powers" of Superman's sperm cells, genetic incompatibility between humans and Kryptonians, and the dangers to the woman during gestation. The title is a reference to Superman's power
Machine Man characters in other Marvel titles, in 2006 Editor-in-Chief Joe Quesada stated that Nextwave's setting was in a universe separate from the main Marvel continuity. However, recent issues of "Official Handbook of the Marvel Universe", as well as "Civil War: Battle Damage Report", consistently place Nextwave's activities in mainstream continuity. As noted above, subsequent appearances by Stack have used the Nextwave portrayal. Machine Man Machine Man (also known as Aaron Stack, Mister Machine, and serial number Z2P45-9-X-51 or X-51 for short) is a fictional character, an android superhero appearing in American comic books published by Marvel Comics. The character was created