Thor: The Dark World - First Clip Released

The first clip of superhero sequel Thor: The Dark World has been released online.

Showing Chris Hemsworth's Norse hero conversing with half-brother Loki, played by Tom Hiddlestone, the excerpt clocks in at 53 second in length.

It shows Thor going to Loki to ask for help in dealing with a new threat - from Christopher Ecclestone's Malekith and his dark elves.

The follow-up to Kenneth Branagh's original Thor movie also sees the return of Natalie Portman, Idris Elba and Sir Anthony Hopkins.

The movie will be released on 30 October in the UK. A trailer was revealed some time ago.