- This version of Joseph Martinson (Earth-Two), including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.
- 1 Appearances of Joseph Martinson (Earth-Two)
- 1 Images featuring Joseph Martinson (Earth-Two)
- Quotations by or about Joseph Martinson (Earth-Two)
- Character Gallery: Joseph Martinson (Earth-Two)
|Superman Villain(s) |
This character is or was primarily an enemy of Superman in any of his various incarnations, or members of the Superman Family. This template will categorize articles that include it into the "Superman Villains category."
Community content is available under CC-BY-SA unless otherwise noted.