It's probably not a spoiler to say that in Thor: The Dark World Chris Hemsworth is, once again, insanely ripped. So we thought we'd ask him and his castmates for tips on how to get into superhero shape.
Which means that the video below contains Natalie Portman, Kat Dennings, Tom Hiddleston and Chris Hemsworth all giving exercise advice.
We probably like Tom Hiddleston's tips the most, mainly because he does an amazing Scottish accent in tribute to his dad's favourite film. But there's loads of great hard-earned knowledge to be found in the video.
So, click below to find out how to turn yourself into Thor.