IT SOUNDS like a crazy comic book splot: Spider-man foils a robbery as Jedi knights block the would-be thief's escape and the Flash watches on.
This was just what happened on Saturday morning when a business owner dressed as Spider-man stopped a man from stealing a comic book worth $160.
Adelaide Comic Centre's Michael Baulderstone, 45, noticed a man "behaving suspiciously" at the back of his store.
Upon closer examination, he saw that the man had put a valuable book in his backpack.
"We had about 40 people dressed up as their favorite superheroes to celebrate International Free Comic Day, so he didn't have much of a choice but to hand the X-Men Omnibus back after a little bit of a scuffle," he said.
"I've had a look at the security footage and it shows Spider-Man running down the corridor of the shop, grabbing this guy, hauling him off.
"Everyone in the store thought it was a play, that it was street theatre of some sort. It wasn't until I said `Call the police' that people started to realise."
International Free Comic Day is held around the world on the first Saturday of May.
In Adelaide, two businesses, the Adelaide Comic Centre and Pulp Fiction Comics, encouraged customers to dress as comic heroes and handed out free comics to mark the occasion.
"One of the funniest things about the incident was that I called for people to stand near the door and it just so happened we had people dressed as Jedi knights there blocking the exit, the Flash was there at some point too," Mr Baulderstone said.
"It was a bit serious at the time, but now we're looking back laughing at what greeted police when they arrived."
David Humphrey, a member of the Rebel Legion, a group of Star Wars fans, said: "It was quite funny to think that our Spider-man actually did catch himself a bad guy."