Issue 31
World's Finest (1941-1986) #72
Superman and Batman must find out who has been supplying weapons to the Heavy-Weapons Gang. Please note this issue does not include any backup stories.
Creators

From
World's Finest (1941-1986) Series
Superman and Batman must find out who has been supplying weapons to the Heavy-Weapons Gang. Please note this issue does not include any backup stories.

From
World's Finest (1941-1986) Series