If I'm not mistaken, that blocked out spot was the leasing company ILFC, who have sinced cancelled their order for the A380.
http://www.airliners.net/aviation-forums/general_aviation/read.main/5086535
http://australianaviation.com.au/2011/03/ilfc-cancels-a380-order-opts-for-a320neo/
Here's a photo before they cancelled:
http://www.airliners.net/photo/Airbus-Industrie/Airbus-A380-861/1748636/L/

