Superboy in "The Splitting of Superboy"
Using red kryptonite, a Martian splits Superboy into two beings. One is an evil non-powered Clark Kent with amnesia who makes trouble for Superboy until he dies in an explosion.
An untitled Casey the Cop strip.
"Sharing -- the United Nations Way!"
Green Arrow in "The War that Never Ended!"
Green Arrow and Speedy are stranded on a Pacific island inhabited by Japanese soldiers who do not know that WWII is over.
Aquaman in "Aquaman's Double Trouble"