Circa 1978-1979, Marvel was big into movie and TV-licensed stuff like STAR WARS, THE HULK, STAR TREK, and toy-based series like ROM and MICRONAUTS. Marvel wanted to develop a comic version of Patrick McGoohan's TV series THE PRISONER, and first went to Steve Englehart and Gil Kane who produced a complete first issue. For whatever reason, Marvel decided not to go with it.

They then assigned Jack Kirby to the project (who had already done a licensed 2001:A SPACE ODYSSEY movie adaptation and 10-issue series), who likewise produced a complete THE PRISONER first issue.
But Marvel, for whatever reason, again shelved the project.

Not until 1988 did Dean Motter finally produce a THE PRISONER adaptation for DC.
And a second series, both released in collected trades.

And the two unpublished issues, roughly 40 years later, were recently finally published in an artists' edition hardcover in 2018.
https://www.mycomicshop.com/search?TID=46721143


I bought the xeroxes of these issues on Ebay over 10 years ago.
But I'm sure, much nicer in an artists' edition.