Brave New World is the next big Marvel event. As such, the upcoming film needs to include these major MCU characters.

This is no picnic for the actors involved, as fans can be protective of their favorite heroes and reluctant to embrace new players. Recently, Anthony Mackie spoke out about his — and, by extension, Sam Wilson’s — take on Captain America, which caused something of a fandom uproar. His comments, however, only prove that he understands his character.

Actor Giancarlo Esposito is making his MCU debut in Captain America: Brave New World as one of the film's villains, the notorious terrorist known as Sidewinder. And as you might expect, Sidewinder comes straight from comic books – but as is often the case with the MCU,