In Thrilling Comics #24, he gains a teen sidekick, wealthy young wastrel Mike Ellis, who wears a costume identical to Strange's, along with a green cape.

[5] According to Jess Nevins' Encyclopedia of Golden Age Superheroes, they confront villains like the Faceless Phantom (and his "delta ray gun"), the Yellow Peril Emperor (and his flame apes), and the black magic-empowered Mephisto.

In Tom Strong #11, Moore and co-creator Chris Sprouse more fully introduced the idea of Terra Obscura being a parallel Earth, "but in our own dimension.

In this issue, Tom Strange is revealed to have run across the Milky Way for 30 years to reach Strong for help in stopping an alien menace which killed or imprisoned most of the science-heroes of Terra Obscura.

Tom helps Strange revive his surviving allies, most of whom have been trapped in time by the alien menace for the thirty years, unaware and unaging.

Doc Strange appears in the webcomic "Heroes, inc." along with a Golden Age Captain Future and Blue Beetle to save Diana Masters (Miss Masque) from an attack by futuristic soldiers.

It's revealed in flashbacks that he is one of the scientists that were part of creating the original Golden Age heroes of World War II, under the direction of Archibald Masters (American Crusader).