In late 2022, following a swell of online support for him to play Charles Xavier in Marvel Studios’ X-Men franchise, Giancarlo Esposito took matters into his own hands in an attempt to land an MCU role. During a fan panel at Rose City Comic Con 2022, Esposito explained how the fan casting led to having his people reach out to Marvel Studios. “I finally had to have my people call Marvel and explain that, you know, that this is a fan want and we would love to work with you,” Esposito told the crowd.
But I feel as if there may be some mileage with me and Marvel. I know I love what they do. I know I love creativity. So who knows what could happen? Keep putting it out there.
Giancarlo Esposito
The star spent the next year making sure nobody has forgotten his willingness to join the world’s largest action franchise and then, in May 2024, thanks to the magic of Marvel Studios’ reshoots, Esposito‘s dream came true. By Summer, Esposito had taken it up on himself to unburden Marvel of any secrecy around his character, revealing that he had signed on to Captain America: Brave New World as Seth Voelkers, the founder of the Serpent Society (called Serpent in Brave New World) who went by the alter ego of Sidewinder.

Marketing for Captain America: Brave New World has contained plenty of Esposito’s Sidewinder, attempting to establish the character as some sort of menacing threat to Sam Wilson. And while nobody believes that Captain America is in any true danger from Sidewinder, it hasn’t stopped Esposito from over hyping the character.
Last Summer, Esposito teased Sidewinder as “a badass” and a departure from his usual roles. In a new interview with ABC, he repeated those claims, saying, “You’ve never seen me play a character like this. This guy knows how to use a rifle, a pistol, knives, (he’s) very very physical, active with his physicality, punches, kicks, all that.” And while that all checks out against the evidence available in the footage that’s been shared ahead of the film, Esposito also made a claim that caps into question his ability to be taken seriously when talking about Sidewinder.
“Part of the incorporation of Sidewinder’s colors I brought into the costume that I’m wearing,” he said. “I’m hoping that it gives them inspiration in movies to come that will allow me to take on more of that serpent persona.“


While it’s clear that Esposito will be playing a far more grounded and less flamboyant version of Sidewinder in Captain America: Brave New World, don’t tell him that. Perhaps Esposito’s comments about the similarities between the film and comic book characters costumes refer to the collar on his trench coat being similar in color to the comic book counterpart’s cape; perhaps his character has some fabulous footwear we haven’t seen just yet; perhaps, like with the character itself, Esposito is making a mountain out of a mole hill.
As for the evolution of the “serpent persona”, Esposito did tease that his character would have a role in an unreveales series following Captain America: Brave New World, so maybe Marvel will indeed bring a fully realized Serpent Society–and its leader–into the MCU down the road.
Source: ABC

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