The 48-year-old actor plays Iron Man Tony Stark in the superhero film franchise, reported Contactmusic. "We just wanted to get to a point where kids would be asking that question when they left the theatre.

We wanted people to be having conversations about what genetics technology could mean and without being political-is terrorism media driven ?" "I'm happy those arguments will be occurring. They're debates about entertainment," he said.

Robert Downey Jr. Pic/Santa Banta
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