This weekend, all eyes at the box office are on Captain America: Brave New World, as it’s being seen by many as a barometer against whether or not audiences are getting sick of superhero fare. Indeed, the failure of The Marvels must have sent a chill down the spine of many Disney execs, with it once assumed that any movie being the Marvel banner was guaranteed to open well. That proved not to be the case, although the smash success of Deadpool & Wolverine proved that audiences would still turn out in droves if they had a good reason to.

As such, if Captain America: Brave New World manages to open to over $100 million this weekend, any talk of “superhero fatigue” will likely fall by the wayside. Industry estimates have it opening around $90 million, but I actually think it will open in the range of Black Widow, which had...