I came across this today and thought it was a noteworthy attempt to breathe life back into Superman movie that was never made.

http://www.comicsalliance.com/2013/01/30/superman-lives-documentary-kickstarter/

Jon Schnepp is campaigning to make a documentary based on Superman Lives and apparently trying to get interviews from Tim Burton, Nick Cage and the other parties that were involved in production.  Not only that, he is also trying to actually shoot some scenes from the script Kevin Smith wrote. Whoa!