X-Men Blue was an ongoing comic book published twice monthly by Marvel Comics and initially created by writer Cullen Bunn and artist Jorge Molina. The first issue was released April 12, 2017. It is a continuation of the All New X-Men series that began in 2012 and features young members of the original X-Men team who have time traveled to the present day.

Cullen Bunn is an American comics writer, novelist, and short story writer, best known for his work on comic books such as Uncanny X-Men, X-Men: Blue, Magneto and various Deadpool miniseries for Marvel Comics, and his creator-owned series The Damned and The Sixth Gun for Oni Press and Harrow County for Dark Horse Comics, as well as his middle reader horror novel Crooked Hills, and his short story work collection Creeping Stones & Other Stories.