After revealing his real identity in the first film, Tony Stark (Downey) must deal with the pressures of being Iron Man, while his health declines due to poisoning from palladium in his arc reactor, all while trying to shut down a mad man who is linked to his father's legacy. Oh, and Pepper (Paltrow) is the new CEO of Stark International in the sequel, but later tries to renounce her title due to stress and almost dying, but is cut off by Tony, who kisses her marking the beginning of their romance.  

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