All the ways the Marvel movies have already hinted that the X-Men exist

polygon.com:

Ever since the Walt Disney Company acquired 20th Century Fox, Marvel Cinematic Universe fans have wondered when they would get to see the long-awaited reunification of Marvel Comics’ most famous houses: the Avengers and the X-Men. It may have taken half a decade, but it seems the mutants are finally making their presence known in the MCU.

Piece by piece, Marvel movies and television shows are building a path that leads right to Professor Xavier’s Westchester mansion. Here’s a compilation of everything we know about mutants and the X-Men in the Marvel Cinematic Universe.

In the final moments of her television series, Kamala Khan’s (Iman Vellani) tech-minded BFF Bruno gave her some pretty weird news: There was something in her DNA that none of her immediate family shared. Something “different. Like… like a mutation.” In the soundtrack of the scene, an electric guitar flicked through the first seven notes of the infamous theme song from 1992’s X-Men: The Animated Series — literally underscoring the significance of the word.

Kamala isn’t a mutant in the comics, so the reveal came as quite the surprise to fans, as it was the first time in MCU history that the concept had even been acknowledged.

In a somewhat less serious hat tip to mutantkind, the second episode of She-Hulk: Attorney at Law featured a little Easter egg hidden in a quick shot of Jennifer Walters’ fruitless search for a new career. On the page’s related stories list, a headline reads “Man fights with metal claws in bar brawl.” There aren’t too many people in the real world who get in bar fights with their metal claws, but there are Marvel characters for whom it happens, like, every other Tuesday — most famously, Wolverine.

This could mean that Wolverine is