“In some ways, it’s lighter. But there’s a lot of heavy stuff in the movie as well,” explained Gunn, following Zack Snyder ‘s grittier take on the role in Man of Steel (2013), Batman v. Superman: Dawn of Justice (2016) and Justice League (2017). “But the character himself is lighter.”

Given the reported budget of $225 million for "Superman," three times that amount figures to $675 million. Gunn may have said that $700 million is exaggerated, but the studios might not feel the same.

You'll find some Tulsa references in the guide, including mentions of Shelter Records and the University of Tulsa's McFarlin Library.