At RTX 2014, 343 did show off Halo: The Master Chief Collection with new info.
The New Vehicle Is A
It is a Mongoose just with an add on, a good add on.
Also we now know about another map being remade,
Coagulation.
Coagulation from Halo 2 (What is a remake of a Halo CE map Blood Gulch) is one of the six maps from Halo 2 being remade along with Ascension. Four are still unknown.
