The Marvels may be one of the biggest events in Phase 5 of the Marvel Cinematic Universe, but it hasn't quite landed with all fans. The film sees the return of Captain Marvel (Brie Larson), who is forced to team up with two younger heroes, Monica Rambeau (Teyonah Parris) and Ms. Marvel (Iman Vellani), to form a superhero trio unlike any the MCU has ever seen before.
Source：https://www.cbr.com/reasons-why-fans-didnt-like-the-marvels/
