The second ongoing Ultimate X-Men series, continues after the events in Ultimate X. The biggest mutant cover-up has gone public as the true history of the x-gene is revealed! As an identity crisis rocks the mutant world, the mistrust between man and x-man gets deeper. The X-Men declare war on the government after they activelly start hunting and capturing mutants. The series ended with issue 33 and was continued in the Hunger mini-series and the Cataclysm: Ultimate X-Men mini-series after which the story of the Ultimate X-Men was somewhat continued in issues 32-36 of the 616 Universe All-New X-Men series.
Collected Editions Ultimate Comics X-Men by Nick Spencer vol. 1 (#1-6) Ultimate Comics X-Men by Nick Spencer vol. 2 (#7-12) Ultimate Comics: Divided We Fall, United We Stand (#13-18) along with Ultimate Comics Ultimates (#13-18) and Ultimate Comics Spider-Man (#13-17)Ultimate Comics X-Men By Brian Wood vol. 1 (#18.1 & 19-22)Ultimate Comics X-Men By Brian Wood vol. 2 (#24-28)Non-U.S. Collected EditionsMarvel Deluxe. The Ultimates vs. Ultimate X-Men - El retorno del rey (#26-33) (Spanish)
— Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/ultimate-comics-x-men/4050-42947/).