Ever since Martin Scorsese decided to share his opinion that MCU movies were theme parks and “not cinema,” Hollywood’s been chiming in – whether it’s James Gunn coming to the franchise’s defense, Robert Downey Jr. being diplomatic, or director Francis Ford Coppola calling Marvel films “despicable.”
Source: IGN.com Natalie Portman Defends the MCU: "There’s Room for All Types of Cinema"