Wait, Green Lantern is Jewish too? The answer, surprisingly, is yes. Sort of. That most superheroes were created by Jews is nothing new. During the Depression, young Jewish New Yorkers, mostly first-generation Americans, couldn’t get work in creative industries like advertising and book publishing that were closed off to them. So they invented their own medium, the comic book, and its most popular genre, the superhero. In many cases, they imbued their creations with elements of Jewish culture. Superman in particular has been discussed in this context, though he’s a Jewish character only metatextually, not in canon. Others are heavily...