Reality for the 1966 shows Marvel Superheroes: Captain America, The Incredible Hulk, The Invincible Iron Man, The Mighty Thor; Prince Namor the Sub-Mariner. Nearly identical to Earth-616 continuity at the time for the featured characters because the stories and art were lifted from the comics with minimal animation.
- Previously only identified the Captain America reality. Other shows in the Marvel Superheroes weekly rotation were given separate reality numbers: 629593 (Thor) and 645978 (Namor).
- 17 characters that originate from Earth-600026
- 1 teams that originate from Earth-600026
- 1 organizations that originate from Earth-600026
- 33 appearance(s) of Earth-600026
- 45 image(s) of Earth-600026