Story: "Brothers In Arms Part One" (24 Pages)

Credits:

Rick Veitch (plot, script)
Tom Mandrake (pencils)
Alfredo Alcala (inks)
John Costanza (letters)
Tatjana Wood (colors)
Karen Berger (edits)

Feature Character:

Swamp Thing (next in issue #85)

Guest Star:

Hans Von Hammer (last in Christmas With the Super-Heroes #2/4; next in Armageddon: Inferno #1)

Supporting Characters:

Abby Cable (in the present)
Chester Williams (last in issue #81; in the present)

Villains:

Anton Arcane (chronologically earliest appearance; next in issue #82)
The Hangman
Adolf Hitler

Guest Appearance:

Phantom Stranger (in the present; in between Action Comics Weekly #636 and #641)

Other Characters:

Anais Arcane (Hans Von Hammer's cousin, and the mother of Anton Arcane, and Abby's grandmother)
Aniela Arcane (Anton Arcane's sister)
Gregori (Anton Arcane's brother; first appearance of all three)
Josip Arcane (the husband of Anais Arcane, father of Anton, and grandfather of Abby)

Comment: This story takes place during World War 1.