Prequels – they’ve become the rage. And we have Smallville to thank for this. Smallville (2001) told the story of a young Clark Kent as he developed his powers and learned about his heritage and his role on Earth – the foundation of why he’d one day become Superman. For the most part, Smallville works. Casting is great, with Tom Welling (Clark Kent) and Michael Rosenbaum (Lex Luthor) brilliant in their roles. The writers also recognized the spirit of the Superman character, instead of making him the gloomy, mopey, emo Superman who appears in Zack Snyder’s two interpretations (Man of Steel and Batman vs Superman). Where the show can struggle…