In addition to Eposito's Sidewinder, one character that appeared was Jóhannes Haukur Jóhannesson as Copperhead, who battles Sam at the start of the film. While both characters lacked the same kind of bite as their comic book counterparts, Onah realized during the project's development that this was the safer approach.

Brave New World underwent a variety of changes and tweaks, something a number of big-budget movies have gone through over the years. In addition to a title change, production was paused on the film due to the 2023 actors’ and writers’ strikes,

Captain America 4 director Julius Onah opens up about what the Serpent Society was originally going to look like in the new MCU movie.

This article contains discusses the ending of "Captain America: Brave New World," now playing in theaters. "Captain America: Brave New World" director Julius Onah had one directive for his department heads: “deny red.

Julius Onah discusses the look of the MCU villain: "You want to make sure that even with these heightened characters, it fits into the world of the film."

Captain America 4 director Julius Onah opened up about making Red Hulk a nonverbal villain, as well as how star Harrison Ford impacted that choice.