In contemporary cinema, it would appear that virtually every major action film is based on super hero from the comic book universe. Yet, decades ago, superhero flicks were considered to be a dicey bet by most major studios, despite the success of Christopher Reeve Superman films, which had been deemed as having run out of steam. All of that changed with the 1989 release of Tim Burton's dark, revisionist interpretation of Batman. Writing in The Washington Post, Michael Cavna explores how the success and influence of that film led to the glut of superhero blockbusters we are seeing today. Click here to read.