Once the Earth-616 reality realizes they're dying without an Iron Man version in here, anyone will do. This fits rather well ...

Captain America star Anthony Mackie is set to conquer the Brave New World with the upcoming Marvel movie. Amid the news, Mackie’s throwback interview surfaces on the internet.

No mention of the timeline fracturing or dying out has been made in either ... from the time heist to reversing Thanos's snap to even Iron Man's death, were all supposed to happen.