Fantasy Movies (Not what you think)

With Fantasy Football going strong, and Fantasy Baseball in the wings, I got to thinking. How would anybody like to work on the idea of Fantasy Moviemaking? We take a huge Book, TV Show, Broadway Show or remake. Then we pick a director, writer, cinematographer and cast. Then we followe them on projects they are working on at them time and compare whose fantasy project would have the greater box office and sequel potential. Just an idea.