X-Men: The Hidden Years

X-Men: The Hidden Years
Cover art for X-Men: The Hidden Years #1
Publication information
Publisher	Marvel Comics
Schedule	Monthly
Format	Ongoing series
Publication date	December 1999 – September 2001
Number of issues	22
Main character(s)	X-Men
Creative team
Writer(s)	John Byrne
Penciller(s)	John Byrne
Inker(s)	Tom Palmer
Letterer(s)	John Byrne
Colorist(s)	Gregory Wright
Editor(s)	Bob Harras Jason Liebig Lysa Hawkins Joe Quesada

X-Men: The Hidden Years was a comic book series set in the Marvel Comics universe, which starred the company's popular superhero team, the X-Men. It was written by John Byrne, with illustrations by Byrne and Tom Palmer.

The series was intended to fill in the team's chronology during the early 1970s when the original X-Men comic (#67–93) was publishing only reprints of earlier issues. According to Byrne, the series "was clearly finite, since [Giant-Size X-Men #1] was out there as an "end point" for my series, but the way I had it worked out, I could have easily done 100 issues or more before I had to send the team off to Krakoa." However, as part of a retooling of the X-Men line, X-Men: The Hidden Years was cancelled, prematurely ending its run with issue #22.

Hidden Years featured the cast of the original X-Men and their villains, with a few appearances by characters who had not otherwise appeared at that point in time, such as Storm and the Phoenix Force.