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-Treme X-Men and followed the rift, leading into the X-Termination crossover with Astonishing X-Men and Age of Apocalypse. During the crossover, AoA Nightcrawler's trip home resulted in the release of three evil beings that destroy anyone they touch. Several casualties resulted, including the AoA's Sabretooth, Horror Show, and Fiend, as well as the X-Treme X-Men's Kurt Waggoner, Xavier and Hercules. The crossover ended with the apparent destruction of the AoA universe. The surviving X-Treme X-Men team members, Dazzler, Sage, Howlett, and Corporal Summers all remained on Earth-616. X-Treme X-Men X-Treme X-Men is the name of two comic book series published by Marvel