Alright, I need your help identifying a comic strip from my childhood.

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Alright, I need your help identifying a comic strip from my childhood.
You know the drill. Something you read as a kid and can only remember a few details of, so you have no hope of ever finding out what the hell it was, and the not knowing slowly drives you insane.

I remember this particular strip because it was a DC comic (it was a strip in some anthology I read in the car on a road trip as a kid in the late 80s/early 90s, and it had "Definitely Collectible" written on the cover under "DC," which stuck in my mind at the time) yet it was extremely gory.
All I remember is:
>It was in colour.
>Set on some stretch on road in the desert. Maybe Arizona or some American place with cacti.
>Some kind of werewolf or something got hit by a car or truck.
>Luridly-colored guts all over the place. Tyre marks going through the wolf or whatever the fuck it was. You could see its ribs and shit. I swear I did not dream this, by the way.
>Long scene of the creature coming back to life, Hellraiser-style, with the organs and bones and stuff re-forming
>something about it being cursed to live forever for defying god or something? And I believe it was some sort of Roadrunner/Coyote parody or somesuch?

I have a feeling this might have been a one-off thing in some kind of annual or something. The magazine I was reading it in had a bunch of stories, including some sort of "history of the DC universe" segment.

...This is going to be impossible isn't it?