"The Duel of the Super-Duo"
Batman and Superman find themselves transported to a distant planet for a convention of inter-planetary heroes. Once there, thanks to a criminal con-man, Batman has been exposed to a hypnotic device and Superman finds himself now under a newly formed red Sun. The criminal’s plan fully comes to bear as Batman and Superman fight to the death for the pleasure of inter-planetary villains.
"Cap's Hobby Hints"
How to make model cars lighter.
"Fate Holds Four Aces" reprinted from House of Mystery (1951) #27