Fox just made San Diego Comic-Con a richer experience for one lucky attendee. During Thursday night’s panel promoting the network’s upcoming new animated series “Universal Basic Guys,” Fox passed out a swag bag to everyone in the San Diego Convention Center ballroom. One of those bags had a special sticker, randomly awarding that winner $3,000.

Actually, because it was shaped like a hot dog, the sticker announced, “You are a weiner.” The $3,000 prize is in line with the concept for “Universal Basic Guys,” which centers on two brothers who work at a hot dog factory — until they lose their jobs to automation and are given $3,000 a month in a new basic income program. The series follows them as they suddenly have a lot of free time and money to pursue some ridiculous adventures.

Series creators Adam Malamut and Craig Malamut revealed the surprise while sharing more details about “Universal Basic Guys,...