DC Database

     Reality names were reused several times. See also Earth-21.

Earth 21 is one of the worlds of the Multiverse in the New 52.


Following the retirement of the old guard of the Justice Society of America, the nation endured a period of social repression and anti-heroic sentiment amidst the perils of the Cold War. But by the 1960s, a never-assassinated President John F. Kennedy is ready to lead the United States to the stars - a nation protected by the young super-heroes of the Justice League of America.



  • This Earth is based on Darwyn Cooke's DC: The New Frontier, and is the direct continuation of the pre-Flashpoint Earth-21.
  • John Henry was seen joining the champions of the Multiverse at the House of Heroes. It is unknown if this suggests he survived on this Earth, he was pulled from a divergent timeline, or if he was pulled forward from a point in time prior to his death; the appearance of some members of the Legion of Super-Heroes there suggests the latter may be a possibility.[1]
  • Earth 21 is opposite Earth 48 in the structure of the Multiverse.
  • Earth 21 is part of the area in the local Multiverse termed "The Cartoon Rim" with Earths 12, 26, 42, and sometimes 16.

See Also

Links and References

DC Map of the Multiverse: Earth 21