The following video is an interview with Dan Ayoub of 343 industries about The Master Chief Collection and the Halo 5 Guardians Beta.

 

http://www.polygon.com/a/e3-2014/halo-the-master-chief-collection#ooid=VrZHU5bjqEO6dd3VpazpQ3FNyMGDVrPR

 

Tons of new information about how the MCC will work, and what the Beta will be. Definitely worth the full watch.