He may be one of the most influential and inspiring figures in cinema, but that didn’t happen overnight - far from it. Downey Jr.’s life has been a rollercoaster of ups and downs, with heavy substance abuse and legal troubles plaguing his youth. But somehow, he went from forgotten star and prison inmate, to arguably the most integral Avenger in the MCU, one of the most successful franchises of all time! What do YOU think of Robert Downey Jr's comeback? Let us know in the comments!

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