Written by Emile C. Schurmacher (writer)
Released 04/1940
From Miracle Comics #3 - When Secret Agent K-7 and his assistant, Yvonne, notice the presence of the man named Jaeger, nicknamed "The Death", a spy and a scientist, they connect him immediately for three deaths of South American diplomats. They decide to stop him from going on.
Here are the pages I have of it.