Sorry, Halo 5 Is Not Being Added To The Master Chief Collection - GameSpot

Microsoft says again that it has no plans to bring Halo 5 to The Master Chief Collection.
The Master Chief Collection brings together four Halo games into one collection for the Xbox One.

Halo 4, Halo University Wiki

Seven story beats to remember before starting Halo Infinite - Polygon

Are there elites in Halo 4 multiplayer? - Quora

Reports HaloFanForLife

Xbox One's Halo: The Master Chief Collection Not Likely for PC - GameSpot

Halo: Combat Evolved Anniversary Xbox One Legendary 05 co-op MatteDSage Assault on the Control Room

Halo: Reach' Will Have 6.2 Million Multiplayer Maps On PC/Xbox Launch - GAMINGbible

Xbox One - Wikipedia

Another Halo: The Master Chief Collection matchmaking patch coming this week