The final trailer for Captain America: Brave New World (2025) opens with a somber tone as Sam Wilson (Anthony Mackie), the new Captain America, reflects on the weight of his responsibility. His voiceover says, “The shield’s not just a symbol… it’s a promise. And right now, the world’s in need of that promise more than ever.” The scene shows him walking through a war-torn city, his face determined but weary.
The trailer quickly transitions into fast-paced action as Sam, now fully embracing the mantle of Captain America, soars through the skies using his enhanced Falcon suit with the vibranium shield in hand. We see a mix of ground combat and aerial battles as Sam engages with a new threat—an underground extremist group known as the Serpent Society, led by a ruthless and cunning villain, Diamondback (played by Shira Haas). Her sinister voice echoes: “The world has forgotten its promises… but we will remind them.”
There are quick flashes of the Serpent Society launching coordinated attacks across major cities, causing widespread chaos and panic. The camera cuts to Bucky Barnes (Sebastian Stan), the Winter Soldier, who has joined forces with Sam. Bucky, now a seasoned ally, stands by Sam’s side in multiple scenes, the two of them facing overwhelming odds. “They don’t know what they’re up against,” Bucky says grimly, ready for battle.
The stakes rise as the trailer reveals that the Serpent Society is targeting key political leaders, using advanced technology to destabilize global governments. Sam and his team, including Sharon Carter (Emily VanCamp) and Joaquin Torres (Danny Ramirez), race against time to prevent an all-out world war.
We get glimpses of intense hand-to-hand combat, with Sam expertly using the shield both offensively and defensively. One highlight shows him deflecting bullets in mid-air while taking out a group of enemies with precision strikes. Another scene reveals a showdown between Sam and Diamondback, where she taunts him, saying, “You’re just a man holding a symbol… what can you really change?”
The trailer also teases deeper themes of legacy and identity. Sam grapples with the pressure of stepping into Steve Rogers’ shoes while trying to define what kind of Captain America he will be. In a powerful moment, Sam looks at the shield and says, “It’s not about the past… it’s about the future.”
The final moments are a montage of explosions, high-octane chases, and a climactic fight on top of a speeding train. The trailer ends with Sam, battered but unbroken, standing tall with the shield, declaring, “As long as I stand, this world will always have a fighting chance.”
The title Captain America: Brave New World flashes on the screen, with the tagline: “A new era begins.”
This trailer promises a high-stakes, action-packed chapter in the MCU, with Sam Wilson’s Captain America taking center stage in a battle that could change the future of the world.