Story: "Betrayed -- By Larry Trainor" (21 Pages)

Credits:

Paul Kupperberg (plot, script)
Erik Larsen (pencils)
Gary Martin (inks)
John Workman (letters)
Carl Gafford (colors)
Robert Greenberger (edits)

Feature Characters:

Celsius
Tempest
Robotman II
Negative Woman
Lodestone
Karma
Scott Fischer (all last in Superman Vol. 2 #20)

Villains:

Reactron (also in flashback in between flashback in Daring New Adventures of Supergirl #9 and Daring New Adventures of Supergirl #7; see Comment; next in Suicide Squad Vol. 2 #6)
Larry Trainor
Garguax
Plastic Men (both last in issue #9)
Warrior (first appearance; a servant of Garguax)

Guest Appearance:

Power Girl (shown in flashback to Daring New Adventures of Supergirl #7-#9 taking the place of Supergirl; see Comment)

Other Character:

Dr. Ron Doyle

Comment: The flashback in this issue shows Power Girl taking the place of Supergirl in the Doom Patrol's first battle with Reactron in the new post-Crisis DC Universe continuity.