THE YEAR WAS
"The Dread Devil's Island"
Written by Will Erwin(writer and artist)
Smash Comics #13 - With a new weapon almost perfected, one of the inventors kills his partner to steal the other half. Fleeing to Paris, he runs afoul of the law and is sent to Devil's Island. Black X gets himself sent there to free the man and bring back to the US as a prisoner, all without the French learning.
Here are the pages I have of it.