The Heroes failed to defeat the Skrulls, and now they co-exist.
- Prior to being given an official reality number, this universe was known as Earth-TRN067 as part of our Temporary Reality Numbers classification system.
- Characters from Earth-10021
- Other things related to Earth-10021
- Earth-10021's Appearances
- Earth-10021's Minor Appearances
- Media Earth-10021 was Mentioned in
- Images from Earth-10021
- Reality Gallery: Earth-10021
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