Natalie Portman" . MTV Splash Page . http://splashpage.mtv.com/2009/11/23/exclusive-kat-dennings-joins-thor-cast-reveals-co-star-natalie-portman/ . Retrieved 2009-11-23 .   ^ Pamela McClintock (2010-01-06). "'Thor' set to bow May 6, 2011" . Variety . http://www.variety.com/VR1118013423.html . Retrieved 2010-01-06 .   ^ "IRON MAN 2, THOR, THE FIRST AVENGER: CAPTAIN AMERICA and THE AVENGERS will be Produced at Raleigh