A college student dressed as a nerd for Halloween morphed into a superhero yesterday, plunging into a burning triple-decker in Mission Hill to help save frantic residents caught in a monster fire during the height of the weekend nor'easter.Nick Intonti rushed into the six-family building at about 12:45 a.m. and started banging on doors to get everyone out. He even went back up the stairs when he feared someone was trapped.
