the G-man wrote:
Just because something is new and different doesn't mean it always works, however.
How do you know if something works until you try it
It was tried in the comic books for about twenty years, post-Byrne. It was tried on "Lois and Clark" eventually as well.
You also have the fact that, for the most part, this has become a trope of nearly every superhero movie since the 1989 Batman.
At this point, it's less something "new and different" and more something "been there, done that."