by Wayne Ree Blockbuster season is well underway, and it looks like the superhero films are reigning supreme once more. Last month, Iron Man 3 ushered in Marvel’s second phase of cinematic adventures. Man of Steel – the revamp of the Superman film franchise and, some speculate, the first step to an Avengers-styled Justice League film – has already scored a US$128 million opening weekend. But even before costumed…