Planet X (Star Trek) Planet X (Star Trek) Planet X () is a 1998 "Star Trek" novel by Michael Jan Friedman which is a crossover between the X-Men comic book series and the characters of "". A "New York Times" bestseller, it was a sequel to an earlier crossover, detailed in the Marvel Comics one-shot "Second Contact" (which was itself similar to an earlier "Star Trek/X-Men" crossover comic, where a slightly different team of X-Men encountered the characters of ). The novel is noteworthy for hinting at an attraction between Jean-Luc Picard and Ororo Munroe (Storm), and made a forward-looking reference to the (then
X-Men vs. Street Fighter characters' appearances from the 1990s animated "X-Men" television series, complete with the original voice actors. The "Street Fighter" character sprites are reused from "Street Fighter Alpha 2". Similar to his secret guest appearance in "Children of the Atom", Akuma appears as a hidden character in "X-Men vs. Street Fighter". In order to create a level playing field between the cast of "Street Fighter" and the "X-Men" series' superheroes and supervillains, the "Street Fighter" characters were re-imagined with highly exaggerated versions of their special moves. For example, Ryu comes equipped with a "super Hadouken" that fills the entire screen. "X-Men vs.