Jim Mooney, who I first saw as artist on MAN-THING and Steve Gerber's short-lived late 70's OMEGA THE UNKNOWN series, and as inker on Spider-man. Ending his career as another artist pushed out the door by Jim Shooter at Marvel in the mid 1980's.

https://en.wikipedia.org/wiki/Jim_Mooney

But his career dates back all the way to 1940!