Mike Zeck’s cover to the PUNISHER: RETURN TO BIG NOTHING graphic novel.
Mike Zeck’s pencils to the cover of WEB OF SPIDER-MAN #31, along with the final published cover, inks by Bob McLeod.
Here are Mike Zeck’s pencils to three of the covers to “Kraven’s Last Hunt”, from AMAZING SPIDER-MAN #294 and WEB OF SPIDER-MAN #31 & #32
Here’s an unused cover by Mike Zeck for MARVEL SUPER HEROES SECRET WARS #6, along with the final cover that was eventually used.
Here’s an unused cover to CAPTAIN AMERICA #259 by Mike Zeck. It looks like some black areas were taken off of Cap’s mask before the cover was tossed out entirely.