I thought it would be a great place to post favorite fan made movie posters(yours or links to others). Just one to start off with is this poster for the 3rd batman movie.
http://tosgos.deviantart.com/art/Fan-Batman-3-teaser-2-101736880
In case you can't tell, the little squares with all of the question marks are the sonar devices made by batman, apparently hijacked by the riddler. That would be an interesting starting point.