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https://www.ranker.com/list/comic-book-prisons/rhune-kincaid
The only non- DC or Marvel supervillain prisons listed in this article are: The Sin City Prison and the Hell of Mirrors. Would it be either of these?
I know it's not the Sin City prison, because that's not a superhero comic (and I've read all of Sin City already). It's not Hell of Mirrors either, because that's an Alan Moore comic and I'd have read it all if I'd seen his name on it.
could it be Corrective Measures?
Working on cleaning up List Of Shows That Need Summary
Hooooly spit, I think that's it! Huge thanks! Never would have found it without you.
There was this comic I found at the library about a guy who found himself in a supervillain prison. It wasn't part of the Marvel universe or the DC universe. As a matter of fact, I believe that it wasn't taking place in any pre-established comics universe. I didn't read more than a few pages at the time, but the general vibe of it was pretty dark stuff.
Edited by MichaelKatsuro