Ultimate Comics: X-Men was an ongoing monthly comic-book series published by Marvel Comics. It made its debut in September 2011 as part of the second re-launch of "Ultimate Marvel", though was canceled in 2013. Through the "Ultimate Universe Reborn" tagline following the "Death of Spider-Man", and written by Nick Spencer with art by Paco Medina, the series serves as a continuation of earlier titles such as Ultimate X-Men, Ultimate Comics: X, and the Ultimate Comics: Fallout mini-series. This title also exists alongside other relaunched Ultimate Marvel works, including Ultimate Comics: Spider-Man and Ultimate Comics: Ultimates.

Ultimate Comics: Spider-Man was a monthly comic book series published by Marvel Comics that debuted in September 2011 as part of the second re-launch of the Ultimate Marvel imprint. It followed the "Death of Spider-Man" storyline that concluded the series Ultimate Spider-Man, to which Ultimate Comics: Spider-Man served as a sequel. Written by Brian Michael Bendis and illustrated by Sara Pichelli, the series also served as a continuation of elements from the miniseries Ultimate Comics: Fallout and focuses on the all-new Spider-Man, Miles Morales. The series was set in a continuity shared with other relaunched Ultimate Marvel titles including Ultimate Comics: X-Men and Ultimate Comics: Ultimates. The title ended in October 2013; the adventures of Miles continue in Miles Morales: Ultimate Spider-Man, released in July 2014.