House ad for Doc Savage (1988 series) #1 (November 1988); printed in Detective Comics #591 (October 1988)
Ad art: pencils by Rod Whigham, inks by Steve Montano
One of several shots by DC at the Doc Savage license, although this one has a slightly different approach (to begin with, at least). This is the "Doc and Son" series of adventures based in the current day and set up in the 1987 4-issue miniseries.
While it's not a patch on the gorgeous Doc Savage paperback cover art by James Bama, here's the lovely painted cover to Doc #1 by Eric Peterson:
Cover of Doc Savage (1988 series) #1 (November 1988), painted cover by Eric Peterson