Captain America 4 director Julius Onah recently revealed why WWE star Seth Rollins, who was initially cast as a member of the Serpent Society, was cut from the film. He explained that the film evolved during production,

Brave New World might be one of the MCU's shortest films to date, but it is jam-packed with enough Marvel lore to make a diehard fan's head spin. For those who have been waiting decades to see classic villains like Red Hulk and The Leader on the big screen,

In the Marvel Comics universe, the Serpent Society is a mercenary group that carries out contracts for supervillains. They first appeared in Captain America #310 after Sidewinder (played by Giancarlo Esposito in Brave New World) formed a group out of the remains of the previous two Serpent Squads – a roster of snake-themed villains like Black Mamba,