Mims, who hails from Daingerfield, Texas, spoke more about the visit during an interview with Adam Caplan and Geoff Mosher of the "Inside the Birds" podcast in April.
"I was very scared. I wasn't familiar with the whole city and it was a lot going on," he said. "You see a lot of people that look scary ... I had a bad experience, you could say, going up there that first time."
The Jets are scheduled to face the Eagles in Week 4 of the preseason, but that meeting could be scrapped with the NFL reportedly planning to shorten the preseason to two games.