Before 1988, blockbusters were dominated by 'invincible' heroes like Schwarzenegger and Stallone. 'Die Hard' changed the blueprint by casting Bruce Willis, then known only as a TV actor from 'Moonlighting.' His character, John McClane, was vulnerable, frequently injured, and spent much of the movie in a state of panic. The film grossed $141 million and created a new sub-genre: 'Die Hard in a [Location].' Its success proved that audiences found 'human' vulnerability more engaging than pure muscle-bound dominance, shifting the direction of action cinema for the next decade.