The Marvels is the latest entry in terms of release date order. The beginning of a Phase, therefore, signals the introduction of new, important characters. Phases 1-3 are the Infinity Saga, while Phases 4-5 form part of the new Multiverse Saga with Kang. Need more context? The MCU, we should note, are split into Phases, with the end of a Phase typically indicating a natural end to a story arc.
Captain America: The Winter Soldier (2014).Captain America: The First Avenger (2011).
