Video Cern and the Tesseract Cube that will open the portal.

https://www.youtube.com/watch?v=VMKsSyDznKY
http://en.wikipedia.org/wiki/Yukikaze_%28anime%29
https://www.youtube.com/watch?v=Wg4-Ybg5JPo&feature=youtu.be
http://en.wikipedia.org/wiki/Avengers:_Age_of_Ultron
http://www.putlocker.ms/the-avengers-2012-full-movie-watch-online-free-v2.html
http://journals.aps.org/prd/abstract/10.1103/PhysRevD.28.1527