Superman Returns Video Journal #20 has posted the 20th Video Journal for Superman Returns, titled ‘Love Previs’. Here is how the site describes the clip:

For a massive film like Superman Returns, previsualizing much of the movie is essential. Bryan Singer works closely with a large, creative team of visual effects artists to imagine the film before they actually shoot elaborate scenes. This helps him ensure that he’s getting exactly what he needs from both the shooting and the digital effects groups.

Check it out at the link above.