- Established and named in Absolute Crisis on Infinite Earths in 2005. Before that volume came out, it was not known that the adventures of "Superman 2020" happened on an alternate Earth -- they were generally believed to be in the future of Earth-One.
- Characters from Earth-2020
- Other things related to Earth-2020
- Earth-2020's Comic Appearances
- Reality Gallery: Earth-2020
Links and References
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