Story: "[Krisis of the Krimson Kryptonite, Part Four]: The Human Factor" (38 Pages)

Credits: Jerry Ordway (plot, script); Jerry Ordway and Dan Jurgens and Kerry Gammill and Curt Swan and John Byrne (pencils); Dennis Janke and Brett Breeding and John Byrne and Jerry Ordway (inks); John Costanza (letters); Glenn Whitmore (colors); Jon Peterson (assistant edits); Michael Carlin (edits)

Feature Character: Superman (last in Action Comics #659; next in Adventures of Superman #473)

Supporting Characters: Lois Lane (last in Action Comics #659; next in Adventures of Superman #473), Perry White (last in issue #49; next in Adventures of Superman #473), Alice White (last in issue #49; next in Action Comics #663), Gangbuster (last in Action Comics #659; next in Superman Vol. 2 #51), Guardian III (last in Action Comics #659; next in Superman Vol. 2 #56), Martha Kent (last in Adventures of Superman #469; next in Superman: For Earth), Cat Grant (last in Action Comics #658; next in Adventures of Superman #473), Jimmy Olsen (last in Adventures of Superman Annual #2; next in Adventures of Superman #473), Lucy Lane (last in issue #49; next in Action Comics #661), Sam Lane (last in issue #49; next in ???), Ella Lane (last in issue #49; next in Adventures of Superman #480), Steve Lombard (in between Adventures of Superman #467 and #497), Sarah Olsen (last in Superman Vol. 2 #45; next in Action Comics #663), Allie (last in Superman Vol. 2 #49; next in Action Comics #660), Whit (last in Adventures of Superman #468; next in Superman: For Earth)

Villains: Lex Luthor (last in Action Comics #659; next in Adventures of Superman #473), Mister Mxyzptlk (last in Action Comics #659; next in Adventures of Superman #496), Gretchen Kelley (last in Action Comics #656; next in Action Comics #660)

Other Characters: Duke (first appearanec; a news vendor), Kevin Dooley (owner of Dooley's; next in Adventures of Superman #481), "Fantastic Four" (see Comment)

Comment: A team looking very much like the Fantastic Four appears in scene in another universe with Mr. Mxyzptlk in a form resembling Marvel's Impossible Man, thus suggesting that the two might be one and the same.