He was doing his usual sweep around the city, listening for emergencies that needed his help. The fire and police department did fine work and he'd never get in the way of letting paid professionals do their job, but sometimes, things slipped through the cracks. That's what he was on the lookout for.
The noise of the city filtered through his ears. "Watch it! I almost tripped!" "...hear LexCorp is laying off a bunch of people and yet advertisement for employment..." "Misty, come back!" " ... I swear to god I just saw a red and yellow blur go by there. Did Supes change his colors?"
Kal blinked at that, wondering exactly who was blurring around the city. Another mention of it came through. "Whoa! Didju see that? Orange thing just zipped around the corner!"
He changed directions and started scanning the city. Where... were ...you... AHA! He sped off for the heart of the city.
A young man was bolting around the area, and it took a little effort to catch up with him. Surprising, since Superman could fly at incredible speeds himself. Finally, he gained enough to put a hand on his shoulder. "Hey there, looking for something?"