Martin Scorsese Explains Why He Turned Down 'Joker', And Why Marvel Isn't Cinema

https://www.esquire.com/uk/latest-news/a29694972/martin-scorsese-joker-director-marvel-disgrace/

"Many of the elements that define cinema as I know it are there in Marvel pictures," he writes. "What’s not there is revelation, mystery or genuine emotional danger. Nothing is at risk. The pictures are made to satisfy a specific set of demands, and they are designed as variations on a finite number of themes."