[1] The comic was devoted to patriotic superheroes, and also included Captain Victory and the Three Cheers.

In 2008, the character appeared in the second volume of the Dynamite Entertainment one-shot Project Superpowers: Chapter Two Prelude, now renamed Soldier Unknown, to avoid trademark hassles with DC Comics, as part of a team of Ace heroes called The Super-Mysterymen (named after the defunct Ace title Super-Mystery Comics).

He wears a costume patterned after a U.S. soldier's uniform (complete with garrison cap) and a mask; he possesses super-strength and the ability to fly, and he carries a "nitro gun" that fires explosive bullets.

[4] According to Jess Nevins' Encyclopedia of Golden Age Superheroes, "the Unknown Soldier shows up wherever things look worst for democracy, whether that involves fighting bank robbers who use invisible ink and a special suit to turn invisible, cold-wielding villains like the Icicle, or Nazi mad scientists like Dr.

The Soldier and seven other heroes — Captain Courageous, Lash Lightning & Lightning Girl, Mr. Raven, The Sword, Magno, and Vulcan — were then recruited by unknown forces to form a team called The Super-Mysterymen; what part they play in the modern world is not revealed.