Ive only seen the movies so forgive me if Im making any comic book blasphemies

I think the problem with DC heroes all we see is their superhero personas. Theres not enough unique characteristics in thier actual personalities that carry over between hero and person. Yes they have unique back stories but that hasnt lead to them becoming interesting people, just interesting heroes.

Whereas in the marvel universe you have smartass Tony, patriotic Steve, straight to business Hawkeye, Calm collected Bruce, thoughtjacker Romanov and Thor which I cant think of a one word personality trait for right now but 5/6 is good.