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"Sigourney Weaver is currently in talks to join the cast of The Mortal Instruments: City of Bones&amp;#039; sequel, it has been reported.  The Mortal Instruments: City of Ashes will serve as a follow-up to director Harald Zwart&amp;#039;s upcoming movie, a fantasy drama based on Cassandra Clare&amp;#039;s young adult books.    Lily Collins, Jamie Campbell Bower, Robert Sheehan, and Jonathan Rhys Meyers are already slated to return for future installments of the franchise.  The story focuses on a teenage girl (Collins) who learns that she is a demon-slayer known as a Shadowhunter.  Weaver will play a Shadowhunter leader who is bent on revenge against the man who killed her son, according to The Hollywood Reporter.  The Mortal Instruments: City of Bones will open on August 21 in the US.  Watch the trailer for The Mortal Instruments: City of Bones below:  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/movies/news/a502276/sigourney-weaver-in-talks-for-the-mortal-instruments-city-of-ashes/>