******SUPER-SPOILERS!****** Why can’t the cinematic DC universe be anywhere near as good as the stuff they show for free on TV (and which is made for much less money)?  Neither “The Batman” (2022) nor the two films of Henry Cavill’s Superman (2013/2016) did much for me, while the CW network’s “Supergirl” (2015-2021) and “Superman &…