This issue has variants.
Follows up on on What If? #1 (February 1977).
Cover credits 2005 by Steven Tice.
Comics ad for Hostess Twinkies from Continental Baking Company.
Comics promo for the Marvel Comics subscription service.
Letters on What If? #18, suggestions for future story titles and article with answers from the Watcher.
Inside back cover. Comics ad for Dingo boots from Northwest Industries Inc..