The death of Superman in this movie came as a shock to me the second time just as it did the first, OHMYGAWD! THEY KILLED SUPERMAN!
His death did remind me of the death of King Arthur in John Boorman’s Excalibur.
I wonder if it was intentional? The movie at the cinema when a young Bruce Wayne loses his parents, gunned down in the street, is John Boorman’s Excalibur.