One of the most obvious guesses would surely be Bruce Banner, who already demonstrated in Avengers: Infinity War that he knows how to handle the machinery. And in a new theory from Reddit user Mokgore, it’s suggested that the Hulkbuster might ultimately help Mark Ruffalo’s character to overcome his transformation difficulties.
As you may recall, Bruce lost his ability to Hulk out after his big green alter ego lost in a one-on-one fight with Thanos. It’s therefore suggested that things could come full circle with a showdown between the Mad Titan and Banner in the Hulkbuster, only this time, Banner wins. From here, the theory concludes that the character’s victory may give him the