There are a few things you need to know before you go running into the theatres to catch the dishy Chris Hemsworth doing his stuff with that hammer - (i) there is no point watching Thor: The Dark World, if you have not updated yourself with the previous Thor movie, and more importantly, The Avengers; (ii) you must have some idea of Norse mythology; (iii) do not expect fireworks between Thor and Loki; (iv) do not expect a love story; and (v) this is the eighth Marvel film in recent times, all connected. Once you are ready with this knowledge, prepare yourself for the visual treat that Ch....