Oliver Stone has criticised superhero movies, claiming that they do not respect violence.

The Platoon director suggested that Batman and Superman's cinematic outings have failed to show violence in an authentic way.

Ian West/PA Wire

"It's only in the movies that you find this kind of fantasy violence. And that's infected the American culture; you young people believe all of this s**t," he told Forbes.

"Batman and Superman, you've lost your minds, and you don't even know it! At least respect violence. I'm not saying don't show violence, but show it with authenticity."

The acclaimed filmmaker went on to criticise Michael Bay's Transformers franchise on the same grounds, but praised Iron Man for its grasp of morality and real-world issues.

He added: "I think there might be in Iron Manâ€¦ there could be some good stories about war profiteering, some good moral tales. I agree. Comics were for that reason, remember?

"But when you've reached this height of technology level of a Michael, of a Transformers, I don't understand the meaning of it and the reason for it, except that it appeals to some visual sense, some kinetic sense of dynamism and a need for action. But action is not always a solution, character is."

Quentin Tarantino recently expressed indifference towards comic book movies, describing Batman as an uninteresting character.

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