Not enough kick in this 'Supergirl'

Here we go again. DC Comics has added a new name to what feels like an infinite number of comic-book villains. It almost seems as if there are as many villains as there are drug commercials on TV. Some of these fiends even have names that sound like missed opportunities for drug companies. I’m sure, for example, that you can imagine being encouraged to ask your doctor about Krem, complete with…