The Trail of the Scorpion
Jerry Odway(writer), Pete Krause(artist)
From The Power Of Shazam comics #24 - Now a part of the DC Universe, Spy Smasher, active in East Germany, gets an archaeologist and museum curator named Batson to help smuggle out the device known as the "scorpion". That was Billy Batson's father. The story is told to Billy and Mary in the present by Alan Armstrong.