For me, it's Wandavision and Werewolf by night because they captured the time period that are used as the environment and rules within the context of each projects. Love and thunder is also really good when thor and friends fight Gorr on that planet that is full muted when the colour grading changes when they immediately get to him and it looks amazing as well. First Avenger is ok, we don't see a lot during his campaign montage, but it's good when it appears.
Which Mcu Project do you like that uses the Balck and white colour palette and aesthetic really well?