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 Legends II: Rise of Apocalypse characters return from "X-Men Legends", and select members of the Brotherhood of Mutants are also playable. Some non-playable X-Men and Brotherhood characters appear during levels. In some instances dialogue throughout the game can be character-to-character specific, depending on the player character's alignment and relationship with the non-player character. "X-Men Legends II: Rise of Apocalypse" was announced on October 21, 2004, exactly one month after the release of "X-Men Legends". It was shown at Electronic Entertainment Expo (E3) and San Diego Comic-Con in 2005. It was first released in North America on September 20, 2005 for the Gamecube, PlayStation 2, Xbox