3. Who is the Leader?
Superman is clearly the leader of the Justice League, but for marketing purposes that may not work. Unless Henry Cavill can do what Robert Downey, Jr. did with his take on Iron Man, Warner Bros. will need an actor with whom they can market the film. The director of the Justice League film will have immense pressure to wisely cast the League member roles. Since there will be no test solo runs like there were for Eric Bana and Edward Norton who were ultimately replaced in The Avengers, the casting will be a one shot attempt. The results of miscasting have been seen in flops like Fantastic Four and Green Lantern. If the marketing department ultimately determines that having Cavill as the face of the film won't work, the next logical character to use to sell the film will be Batman. Assuming the film would have to start shooting sometime next year, it may be difficult to find a reputable actor willing to don the cape and cowl that is still damp with Bale's sweat. This then becomes...