Curious about all the Easter eggs packed into Captain America: Brave New World and how they set up the next phase of the MCU? As Sam Wilson steps into his role amid rising political tensions, the film weaves in subtle callbacks, returning characters, and deep-cut Marvel nods that hint at what’s coming next.
Here’s a breakdown of every Easter egg and Marvel connection featured in the movie.
List of Easter eggs and Marvel references in Captain America 4: Brave New World
Set up for Wolverine
Ross reveals that the government has uncovered a new metal called adamantium. In Marvel Comics, this is the indestructible alloy bonded to Wolverine’s skeleton. This marks the MCU’s first direct reference to the X-Men-linked element.
Tiamut Island
Tiamut, the Celestial whose emergence Eternals stopped, serves as the confirmed source of the adamantium. Ross refers to the site as “The Celestial Mass” during his public address.
SERPENT’s emergence
A criminal group named SERPENT appears, based on the Serpent Society from Marvel Comics. Their presence introduces a new network of adversaries into the MCU.
Eagle One Call Sign
The U.S. military refers to Sam Wilson as “Eagle One,” highlighting his rise from Falcon to national figurehead.
Tribute posters for Ross
During Ross’ victory speech, supporters hold campaign posters that resemble the likeness of William Hurt, who originally portrayed Ross in earlier MCU films.
Classic mustache flashback
Flashback footage shows Ross with his signature mustache from the comics, a style he no longer maintains as President.
Redwing active again
Sam Wilson’s drone companion Redwing returns with enhanced features and assists in both surveillance and combat.
Sam’s Wakandan armor
Joaquin Torres confirms that Wakanda built Sam’s vibranium wings and suit. The gear uses kinetic energy absorption, similar to Black Panther’s technology.
Ross vs. Heroes History
News segments revisit Ross’ past confrontations with superheroes, including his enforcement of the Sokovia Accords and pursuit of Bruce Banner.
Estranged from Betty
Media reports confirm that Ross has not reconciled with his daughter Betty since the Battle of Harlem, referencing events from The Incredible Hulk.
