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.

This article contains major spoilers for the ending of “Captain America: Brave New World,” now playing in theaters. Captain America is back — and so are several characters from “The Incredible Hulk,” “Eternals” and more corners of the Marvel Cinematic Universe.

For a quick primer on essential MCU characters and storylines, here are five movies and shows to catch up with before watching “Brave New World.”