Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
But, like most franchises, (especially within the MCU), there are also a ton of sneaky little threads that hold them all together and make the X-universe a fairly cohesive one.
Source: https://www.thewrap.com/x-men-movies-in-chronological-order-how-to-watch/