Denzel Washington was 68 during filming. Unlike the invincible heroes of the 1980s (Schwarzenegger, Stallone), McCall is explicitly fragile. He pops pills for pain, struggles to climb stairs, and in one extended sequence, vomits after exerting himself. Fuqua weaponizes this fragility.
The Equalizer 3 Lovingly Brought an Action Franchise to an End film equalizer 3