- Script
- Jim Shooter
- Pencils
- Curt Swan
- Inks
- George Klein
- Colors
- ?
- Letters
- Charlotte Jetter
- Genre
- superhero
- Characters
- Superman [also as Kralik]; Batman [also as Two-Face]; Robin [Dick Grayson]; Lois Lane; Jimmy Olsen; the Intercrime Gang; Dr. Arron
- Synopsis
- Dr. Arron's Psyche-Distortor chemicals cause complete character reversal in Superman and Batman, turning them into their own worst enemies.
- Reprints
- Keywords
- Batcave; Fortress of Solitude
Despite the flashback to a previous battle, this is Kralik's first appearance.
- Script
- E. Nelson Bridwell ?
- Pencils
- Curt Swan ? (illustration)
- Inks
- George Klein (illustration)
- Colors
- ?
- Letters
- typeset
Letters of comment from Martin Padilla, Jane Jenkins, Sharon Karibian, Daniel May, Ricky Comer, Steve Dover, George Walters, Carl Stover and Fred Haynes.