Phase 6 of the Marvel Cinematic Universe is set to kick off officially on Friday, bringing in the latest installment in the "Captain America" saga. Anthony Mackie returns as Sam Wilson and Cap, and he will seemingly have to battle otherworldly threats and political avenues once again in "Captain America: Brave New World."

Doomsday just one year away, the reassembly of the MCU's premier team begins in Captain America: Brave New World.

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.”