The big goon that Cap fights in the church is credited as Copperhead (Jóhannes Haukur Jóhannesson), who allows Seth Voelker/Sidewinder (Giancarlo Esposito) to escape. In the comics, Copperhead ...

The Captain America: Brave New World cameos and Easter eggs are an interesting bunch ... At the start of the film, Sam goes up against Copperhead, a member of the Serpent Society.