CW overall. I'd give it's better shows a 7-8/10, such as: 'The 100', prime 'Arrowverse' and 'The Vampire Diaries'. With it's best, 'The Originals', being a 10/10. Those carry. MCU ranges from 5-8. I generally prefer shows to movies, as well.
But if this is Arrowverse specifically, I'll back MCU.