In the alternate worlds of Fringe or Devs, you’d not have passed a bus stop or billboard last year that didn’t advertise a little upcoming movie called Avengers: Endgame, the culmination of over a decade’s worth of cinematic Marvel storytelling that brought together the original McU Avengers for one final battle against Thanos. Of course, we would lose two of our major players during the events that unfolded, including Robert Downey Jr as Iron Man, and Emily Blunt’s Black Widow, who sacrificed herself for the Soul Stone on Vormir.

Yes, originally Blunt was director Jon Favreau’s first choice for the role of Natasha Romanoff in 2010’s Iron Man 2, but due to a scheduling conflict with Fox, she had to pull out to star alongside Jack Black in Gulliver’s Travels. The studio had tied the actress to an additional future project after she’d signed...