With the blu-ray of DC Comic’s Green Lantern coming to UK buyers this coming Monday, and then Batman: Arkham City arriving just four days later for gamers, it’s a busy week for the comic book giant. And to celebrate, they have combined the two release events to give Arkham City players the opportunity to don an extra special (though slightly confusing) alternate costume.

Within the packaging of the Green Lantern blu-ray is an exclusive code to unlock a Sinestro Corps Batman outfit, which you can see below, in a move that looks ingenious when you consider how poor the reception of the film was when it hit cinemas. This should at least guarantee a few extra sales from those DC fans who hadn’t necessarily planned on it.

This Sinestro costume is the latest addition to a wardrobe for Bats that would put Liberace to shame, and...