<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.digitalspy.com/movies/the-avengers/news/a482569/avengers-2-joss-whedon-confirms-quicksilver-scarlet-witch/>