Superman in "The Monster Who Unmasked Superman"
Written by Cary Bates, penciled by Curt Swan & inked by Murphy Anderson.
Superman learns too late that this chameleon from the future can camouflage other things and people. He learns this fact when he almost seriously hurts Jonathan Slaughter, who has been made to look like the chameleon.
Green Arrow in "The Case of the Run-Away Shoebox"
Written by Elliot S. Maggin, penciled by Dick Dillin & inked by Dick Giordano.
Green Arrow tries to recover rent money that is stolen from Oliver Queen, but is side-tracked by a daylight museum heist.
Cover art by Nick Cardy.