In the X-Men franchise, time travel and alternate realities are recurring themes.
Below you will be able to find a list of all X-Men-related realities, which for the purpose of making an easier navigation, most of them have been categorized by name rather than reality number (though the reality number is always specified on each reality's article for information purposes).
Realities are listed according to the media in which they first appeared in.
- Cinematic Universe (Dystopian Future Averted)
- Generation X
- Marvel Cinematic Universe
- Wolverine and the X-Men (Yost Universe)
- Dystopian Future
- Apocalyptic Future
- Mutant X (TV Series)
- X-Men: Evolution
The multiverse patchwork planet created by Dr. Doom, Battleworld, housed various domains which were inhabited by many beings which original reality is unknown. Below there is a list of X-Men related domains from Battleworld.