Ever since the last reel of aired in the first public screening, tongues have been wagging over the prospect of Joseph Gordon-Levitt returning as Batman for the .

The latest variation on this theme is that JGL will be appearing in a Batman cameo in , but the actor himself has revealed to that this is the first he's heard of it.

"I hadn’t heard that one," he laughs. "It just goes to show how much you can believe rumours… I don’t think you should believe in any of them. If there’s something I’m going to be in, I’m going to tell you about it.”

One thing he definitely will be starring in is Robert Rodriguez's comic-book sequel, , where he'll be playing a hardened gambler with a grudge against a sworn enemy.

Sin City 2 is going to be fun," agrees Gordon-Levitt. "[ I'm playing ] a quintessential Rodriguez badass. It’s going to be fun as hell.”

Sin City: A Dame To Kill For opens in the US on 4 October 2013

George was once GamesRadar's resident movie news person, based out of London. He understands that all men must die, but he'd rather not think about it. But now he's worki🌳ng at Stylist Magazine.