Captain America #2! Just as Sam Wilson’s Captain Americasoars back into cinemas with his latest MCU outing, the Avenger adds a surprising hero to his supporting cast in the comics, possibly the biggest in Captain America lore since Bucky Barnes’ Winter Soldier.

The following contains spoilers from the Marvel Studios film Captain America: Brave New World, now in theaters. The Winter Soldier’s career has taken quite a turn since the events of TV’s The Falcon and the Winter Soldier.

Before you head to the Cineplex to see Marvel Studios’ Captain America: Brave New World, there are a few things you should know — or, remember! — about two characters from The Falcon and the Winter Soldier,