1997 | R | 2h 6min There’s nothing quite as fun in movies as when an apparently innocuous individual unexpectedly unpacks his or her superpowers. Like when that silent guy at the bar, who wants nothing more than a cold beer and a quiet place to drink it in (that’s a Clint Eastwood line), gets fed up with being harassed, and the opposition suddenly realizes it’s knocked over a hornet’s nest. In “Good Will Hunting,” this occurs when 20-year-old MIT university janitor Will Hunting (Matt Damon) is hanging out with his blue-collar South Boston buddies in a Cambridge bar packed with world-class Harvard minds. He notices that his best friend, Chuckie (Ben Affleck), at the other end of the bar is on the losing end of a publicly embarrassing, predatory-competitive debate about history—with a Harvardian. Now Will’s a tough kid; he put a gang member in the hospital during a street fight. …