They claim their sources say the screenwriter is checking out Justice League of America #183 through 185. In this 1980's story, Darkseid returns to life, and as you can imagine, wants to destroy all who oppose him.
Have you read this story and if so, do you think it's a good selection to potentially inspire the Justice League movie? DC's team up movie is currently slated for a 2015 release.
Source: Latino Review