John Courage was son of the head of the United States Secret Service. During his childhood, he was trained in the art of shooting. Now, he's so good that he never misses. He uses his marksmanship to fight evil. In his only adventure, the Marksman thwarts a mysterious criminal's plot to steal military secrets.
This comic contains examples of:
- Charles Atlas Superpower: The Marksman was trained from childhood in shooting, and now he has such Improbable Aiming Skills that he never misses.
- Diabolical Mastermind: The Sewer Rat, an underground criminal mastermind trying to rob the United States military.
- The Mole: The Sewer Rat is military official trying to rob his own country to sell the goods to others.
- Protagonist Title: The Marksman is a hero who thwarts a criminal plotting to steal military secrets.