Washington DC, Nov. 13 -- Hollywood actor Robert Downey Jr. has opened up about his approach to playing Marvel's iconic villain Victor Von Doom in the upcoming film 'Avengers: Doomsday', revealing how he embraced the shift from portraying one of the Marvel Cinematic Universe's most beloved superheroes, Iron Man, to becoming a threat to the Avengers, according to People.

In an interview, Downey, 61, spoke about the moment he realised that he was now playing the antagonist rather than standing alongside the superheroes, describing the experience as an enjoyable change.

"Remember Michael Douglas at the end of 'Falling Down'? He goes, 'I'm the bad guy?' I had that realisation a couple of days into shooting. Because all the heroes are over t...