Published: February 1968
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George Klein's final inking assignment on the title.
"Sometimes it is said of a man that "he's his own worst enemy!""
Dr. Arron's Psyche-Distortor chemicals cause complete character reversal in Superman and Batman, turning them into their own worst enemies.
Despite the flashback to a previous battle, this is Kralik's first appearance.
Story Featuring Superman
"Deep in the core of a mountainside in the desolate Arctic wastes..."
Someone has broken into Superman's Fortress of Solitude, so Superman searches the place for clues.
Letter Column Featuring Cape and Cowl Comments
Letters of comment from Martin Padilla, Jane Jenkins, Sharon Karibian, Daniel May, Ricky Comer, Steve Dover, George Walters, Carl Stover and Fred Haynes.
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