Oscar nominations were announced on Tuesday morning, and indie breakout “Everything Everywhere All At Once” led the pack with 11 nominations in total. So later that night, “The Tonight Show” host Jimmy Fallon carved some time out in his monologue to explain exactly what the movie is.In reality, the A24 film is a multiversal adventure — though not a superhero multiverse — that follows Evelyn (Michelle Yeoh, who scored a Best Actress nomination for her work on the film) as she attempts to defeat a villain named Jobu Tupaki, who can traverse realities.