Iron Man 2

This is a sequel to Iron man 1, after defeating his partner Tony Stark realises that the arc reactor in his chest that uses palladium plates is actually poisoning him, the very device that was meant to save his life is actually killing him. 
      And because he was so close to death he loses his mind and starts to mess around. but one day his genius mind kicks in and he makes an alternate and a stronger power source that prevents his poisoning and his life is saved.
      But now he has to face Whiplash another arch enemy of Iron Man but who is equally genius

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