Story: "Different Worlds" (32 Pages) Ch. 1: "First Date..."
Ch. 2: "Fallen Idols"
Ch. 3: "Broken Mirrors"
Ch. 4: "Battle"
Ch. 5: "This Hollow Victory..."

Credits:

John Byrne (plot, script, pencils)
George Perez (inks)
John Costanza (letters)
Tom Ziuko (colors)
Michael Carlin (edits)

Feature Character:

Superman (last in Adventures of Superman #440)

Guest Star:

Wonder Woman (last in Adventures of Superman #440; next in Wonder Woman Vol. 2 #17)

Supporting Characters:

Hermes
Myndi Mayer
Chrissie (all three in between Wonder Woman Vol. 2 #16 and #17)

Villains:

Darkseid (last in Millennium #8; next in ???; also in flashback to before he became ruler of Apokolips)
DeSaad (last in Superman Vol. 2 #16; next in ???)
Amazing Grace (last in issue #586)
Kalibak (last in ???; next in New Gods Vol. 2 #1)

Second Story: "[No Title]" (8 Pages)

Credits:

John Byrne (plot)
Roger Stern (script)
Kurt Schaffenberger (pencils)
Jerry Ordway (inks)
Bill Oakley (letters)
Petra Scotese (colors)
Michael Carlin (edits)

Feature Character:

Lois Lane (last in Superman Vol. 2 #17)

Supporting Characters:

Clark Kent
Perry White (last in Superman Vol. 2 #17)

Villain:

George Kozak (first appearance; an extortionist)

Other Character:

Eddie (first appearance; an employee at the Daily Planet)

Third Story: "Games People Play" (8 Pages)

Credits:

John Byrne (plot, script)
Dick Giordano (pencils)
John Beatty (inks)
Albert De Guzman (letters)
Tom Ziuko (colors)
Michael Carlin (edits)

Feature Characters:

Lex Luthor (last in Adventures of Superman #440; next in Superman Vol. 2 #19)
Maggie Sawyer (in between Superman Vol. 2 #17 and #19)

Supporting Characters:

Gretchen Kelley (in between Superman Vol. 2 #13 and #19)
Dan Turpin (last in Superman Vol. 2 #17; next in Superman Annual Vol. 2 #2/2, page 4)

Other Characters:

Pearl (last in Adventures of Superman #440; next in issue Action Comics #660)
Sandra (an employee of Luthor's)

Fourth Story: "A Friend in Need" (8 Pages)

Credits:

John Byrne (plot)
Roger Stern (script)
Curt Swan (pencils)
Murphy Anderson (inks)
Albert De Guzman (letters)
Tom Ziuko (colors)
Michael Carlin (edits)

Feature Character:

Jimmy Olsen (last in Superman Vol. 2 #17; next in Adventures of Superman #441)

Guest Star:

Superman

Fifth Story: "The Dark Where Madness Lies" (8 Pages)

Credits:

John Byrne (plot, script)
Mike Mignola (pencils, inks)
Bill Oakley (letters)
Petra Scotese (colors)
Michael Carlin (edits)

Feature Character:

Man-Bat (last in ???; next in ???)

Guest Star:

Superman (next in Superman Vol. 2 #18)

Guest Appearance:

Hawkman II (last in Millennium #8; next in Superman Vol. 2 #18)