Ultimate X4 Books in Order
Part ofMike Carey Books in OrderBrowse Ultimate X4 by Mike Carey in order, with quick summaries, crossover background, and where this story fits in the Ultimate Universe.
Last updated: July 10, 2026
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Ultimate X4 books in publication order
1 book
Ultimate X-Men/Fantastic Four
by Mike Carey
2006
The Ultimate versions of Marvel's mutant and science teams collide in a brisk crossover full of mistrust, big powers, and escalating chaos. It is short, sharp, and fun.
Ultimate X4 books in chronological order
Ultimate X-Men/Fantastic Four
by Mike Carey
2006Ultimate X4, Book 1
Series background & context
Ultimate X4 is a compact crossover from Marvel's Ultimate line, bringing together the Ultimate versions of the X-Men and the Fantastic Four. That means younger, sharper-edged takes on familiar characters, plus a setting where science, mutation, and public fear all sit closer to the surface than in the main Marvel universe.
The fun here comes from collision.
Carey plays with the different energies of the two teams, brilliant young scientists on one side, volatile young mutants on the other, and lets the misunderstandings, rivalries, and bigger threats do the work. It is a superhero team-up story, but with that Ultimate-universe habit of turning the temperature up a little on both the personalities and the consequences.
If you want a brisk crossover with recognizable characters in an alternate continuity, this is an easy, fast-moving stop in Carey's Marvel work.
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