Seriously I cant even play the beta so when the hell are they going to make it up to us?
Blog post can be found here https://www.halowaypoint.com/en-us/community/blog-posts/halo-the-master-chief-collection-thank-you
Most likely a Spring 2015 Release
The campaign of Halo 3: ODST will be released as downloadable content for Halo: The Master Chief Collection in 2015 and will be free to all owners of said game that played from launch to December 19, 2014 - Source http://en.wikipedia.org/wiki/Halo_3:_ODST