Comic book adaptations often weave a circuitous and amusing path toward the big screen. Remember when Cher was rumored to be up for the role of Catwoman in "The Dark Knight Rises"? But few superhero flicks can compete with the epically bizarre twists and turns that tripped up "Green Lantern" for years. Jack Black was once tapped to play the ring-bearing protector of the universe. When the rotund comedian's version collapsed, everyone from Brian Austin Green to Justin Timberlake were rumored to...