In his monthly film column, Simon Ings finds that invoking the quantum world is a great way out for Avengers-style franchises when they want to mess with time
Source:
https://www.newscientist.com/article/mg24232300-400-why-films-like-avengers-end-game-can-get-away-with-time-travel-tricks/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home