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 Mutants. New flagship titles such as "Amazing X-Men" and "All-New X-Men" were launched. The latter featured the original five X-Men members who were brought to the present day. In 2013, for the 50th anniversary of the X-Men, "Battle of the Atom" was published which involved members of both X-Men schools trying to decide what to do about the time-displaced original X-Men. In 2014, Wolverine was killed off in the "Death of Wolverine" story arc. In 2015, as part of "All-New, All-Different Marvel", three team books were launched: the second volume of "All-New X-Men", the fourth volume of "Uncanny X-Men" and