"I am moving on," says Jim Starlin, who was penning a trilogy of graphic novels.

Ahead of the character’s time in the cinematic spotlight in next year’s Avengers: Infinity War, the creator of Thanos has, once again, publicly fallen out with Marvel — or, at least, Marvel’s comic book arm.

Writing on Facebook, Jim Starlin — whose upcoming graphic novel, Thanos: The Infinity Siblings, remains set for a February 2018 release and was intended to launch a trilogy for Marvel — said, “What I objected to and what will be keep me from doing any further work for Marvel Editorial was [executive editor] Tom Brevoort approving a plot for the current on-going [Thanos] series, which was pretty much the same as the Thanos story arc in the graphic novel trilogy Alan Davis and I have been working on for Tom for close to the past year. He had 200 pages of script and 100 pages of pencils on this project when he gave the green light to a strikingly similar plot. The on-going will be in print before the graphic novel trilogy. To avoid spoiling anyone's enjoyment of these two stories I will not be summarizing the striking similarities.”

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