...uperman and helped out wherever they could in the fortress of solitude. What if batman was close to the fortress and those things attempted to try and stop batman from getting to superman. And I know what you are thinking. The fortress of solitude is in the arctic. However, the scene where superman was getting bowed down to by those things I think that was the fortress because it doesn't have to be based off the comics. Look at Jared Leto's Joker.