The Skull Killer written by Brendan Faukner (the only comic credit to his name), drawn by Gary Terry (like a Michael T. Gilbert comic inked with a brush), colored by Si & Seth Deitch (Kim’s siblings), 1975. The characters therein are preexisting pulp personas, at least the main ones are.
It’s a black and white comic, the color pages being a couple of rare treats saved for the title pages and the money shot… except the odd example of arbitrary spot coloring (last image).
The creators could probably only afford a few colors while using a press that could only sustain that amount of coloring (that’s how that works, I bet), yet they just had to make this happen. The world needed to see this comic at any cost. It’s a situation made up of the same things that made zine trading possible… y’know, the comic trading circuit from the 60s and 70s. Whether that was the case here or not, it reminds me of a bunch of kids doing it just because they can.