The Marvel superhero machine trundles on. The latest superhero to get his own standalone movie treatment is Thor, the Norse god who wields a hammer, played by Chris Hemsworth. The actor has been working hard, appearing at the world premiere on Oct 11 where his brother Liam put in an appearance with his reunited squeeze singer Miley Cyrus. On Oct 13, the movie premiered in Australia. Here is a look at the premieres. The film is due to open in Singapore on Oct 26.