Story continues in Adventures of Superman (DC, 1987 series) #442.
Letters from readers - Brian Simpson, Jeff Mitchell, Roger D. Case, Joe Frank, Mathew A. Young, Ann C.H. Brachwitz, Dennis Tucker, Stephen Robinson, Jonathan Ezor and Greg Manter - and responses from Renee Witterstaetter.
The third printing only has the first of the two pages, stopping in the middle of Ann C.H. Brachwitz's letter.
The first printing and the third printing have completely different house ads. They appear in various places in this issue.
First printing: six house ads for: Annual 88 (Infinity Inc. Annual #2, Spectre Annual #1, and Young All Stars Annual #1), Batman: The Cult, Action Comics, Power of the Atom, Who's Who Update 1988, and Great DC Deals! (subscription ad, expires April 10, 1988).
Third printing: three house ads for: Bugs Bunny, The DC Comics Deal of the Decade! (subscription ad, expires 5/31/90), and Superman of Tomorrow? (Superman #41-42, Adventures of Superman #464-465, and Action Comics #651-652).
The first printing and the third printing have completely different ads. They appear in various places in this issue.
First printing: five ad pages for: Zip-Poom Jolly Rancher Stix (candy, Leaf, art by Don Martin); Games with Memories You Won't Forget (video games, FCI), Body Builder (models, MPC), Write Right Now! (classified ads, Print Advertising Representatives, 1/2 page), Comic Book and Star Trek Conventions (conventions, Creation's Science Fiction and Comic World, 1/2 page), and Forgotten Realms Black Wizards Book Two: The Moonshae Tilogy (book, TSR).
Third printing: nine ad pages for: Destination Earthstar (video game, Acclaim), The Apes of Wrath (drink, Capri Sun), The Ultimate Game Club (game club, 1/2 page), Great Eastern Conventions (conventions, 1/2 page), Warehouse Sale (comic back issues, American Entertainment, 2 pages), Mile High Comics (comic back issues, Mile High Comics), classified ads (no ad company listed), Fly with the Best! (video games, Tengen), and The Forgotten Realms Adventures (game rulebook, TSR).