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 as a part of the "Dark Reign" storyline. A new "New Mutants" volume written by Zeb Wells, which featured the more prominent members of the original team reunited, was launched. Magneto joined the X-Men during the Nation X storyline to the dismay of other members of the X-Men, such as Beast, who left the team. Magneto began to work with Namor to transform Utopia into a homeland for both mutants and Atlanteans. After the conclusion of "Utopia", Rogue became the main character of "X-Men: Legacy". Notable additions to the X-Men have been Emma Frost, Husk, Northstar, Armor, Pixie and Warpath,