Story: "Element 126" (22 Pages)

Credits:

John Byrne (plot, script, pencils, figure inks)
Russ Andru (pencils)
Keith Williams (background inks)
John Costanza (letters)
Petra Scotese (colors)
Michael Carlin (edits)

Feature Character:

Superman (last in Adventures of Superman #439)

Guest Stars:

Gold
Iron
Lead
Mercury
Platinum
Tin (as the Metal Men; all six also in flashback in between #590 and preceding main story; all six next Justice League Europe #11)

Villains:

Lex Luthor (last in issue #597; next in Adventures of Superman #440)
Doctor Tinker (first appearance; also in flashback preceding main story; dies)
Miss Markham (first appearance; a LexCorp employee)

Guest Appearance:

Will Magnus (last in issue #590; next in Invasion! #3)

DC Bonus Book No. 1: "The Karma Baggers" (14 Pages)

Credits:

Joe Calchi (plot, script)
Britt Wisenbaker (pencils)
James Scott (inks)
Dan McKinnon (letters)
Glenn Whitmore (colors)
Michael Carlin (edits)

Feature Character:

Jimmy Olsen

Guest Star:

Superman

Supporting Characters:

Perry White
Lois Lane

Villains:

Gallus Kon Akkqqus (Putham Tane; head of the White Legion and a former sci-fi magazine writer and part-time treasure hunter), the White Legion (first appearance)
General Mead
Dr. Gustavo (first appearance of both)

Other Characters:

Rondo (Ronald D. Harris; a rock star and old friend of Jimmy's; in flashback)
Delia Banning (a soap opera queen)
Marty Scavone (a mystery yarn writer)
Col. John Mahoney (an astronaut, war hero, and shuttle commander)
Nima Demostedes (first appearance of all; members of the Brethren of Gallus)
The Brethren of Gallus (first appearance; an enterprise headed by Putham Tane)