Did AVENGERS: ENDGAME Open the MCU Door to the X-MEN (and Other Surprises)?

AVENGERS: ENDGAME may have laid the seeds of mutants in the MCU, and not in the way you might think.

via The Nerd Machine

https://www.newsarama.com/45251-avengers-endgame-ms-marvel-x-men-infinity-stones-connection.html