Which critical marketing mistake is widely considered the main reason for Disney's 'John Carter' box office failure in 2012?

Disney's 'John Carter' (2012) was one of Hollywood's most notorious box office failures, losing an estimated $200 million. While the film itself had merits, many industry analysts point to fundamental marketing campaign failures that doomed the film before it even reached theaters. This poll tests your knowledge about what went wrong with this high-profile marketing disaster in the film industry.

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Removing 'of Mars' from the title, making it generic and failing to communicate the sci-fi nature of the film
Casting unknown actors instead of A-list stars for the lead roles
Releasing the film during the competitive summer blockbuster season
Spending too much on practical effects rather than CGI, making the film look outdated