Story: "Better Dying Through Chemistry" (22 Pages)

Credits:

John Byrne (plot, script, pencils)
Dick Giordano (inks)
John Costanza (letters)
Tom Ziuko (colors)
Andrew Helfer and Michael Carlin (edits)

Feature Character:

Superman (next in Adventures of Superman #431)

Guest Stars:

Doc Magnus
Gold
Iron
Lead
Tin
Mercury
Platinum (latter six as the Metal Men; all last in Crisis on Infinite Earths #10; all next in #599)

Villain:

Chemo (first post-Crisis appearance; also in pre-Crisis flashback preceding main story; next in Supergirl Vol. 4 #5)

Guest Appearance:

Negative Woman (first appearance; the Negative Woman of a parallel Earth; not to be confused with her Earth-One counterpart)