The Clown Prince of Crime
Super Freak
Cavill himself proved that it doesn't matter when he wore a Superman t-shirt under a building sized poster of BvS and no one recognized him.
That's because they don't know him. If your coworker was 6'4 and built like a linebacker, and he dies die at the same time Superman dies, you might notice it ....then again, you didn't see the "R" on Robin's costume