Christopher Markus and Stephen McFeely also spoke about the difference between Infinity War and Avengers 4, calling them two completely different movies.
However, Infinity War screenwriters Stephen McFeely and Christopher Markus are warning MCU fans that Avengers 4 won’t do what they’re all expecting it to do.
There are some deaths in Infinity War that occurred before Thanos obtained all of the Infinity Stones.
You can read more about what the Infinity War screenwriters had to say about the deaths not being fixed in Avengers 4 at BuzzFeed.