History of this reality is unknown.
Despite being an unofficial designation, Earth-TRN157 is mentioned in the reference book Marvel Absolutely Everything You Need to Know.
- Characters from Earth-TRN157
- Other things related to Earth-TRN157
- Earth-TRN157's Appearances
- Earth-TRN157's Minor Appearances
- Media Earth-TRN157 was Mentioned in
- Images from Earth-TRN157
- Reality Gallery: Earth-TRN157
- ↑ Marvel Absolutely Everything You Need to Know