Here's the first of Chaykin's Dominic Fortune stories in the HULK magazine 21, in 1980.
http://diversionsofthegroovykind.blogspot.com/2012/03/makin-chaykin-all-in-color-for-crime-by.html

The first of 5 stories. I partly included it for the photos shown of collaborators O'Neil and Chaykin. The second photo includes editor Lynn Graeme and Jim Shooter.