Rumours are is that its not Halo 5 coming this year, but Halo 2 Anniversary edition.. which also includes MP maps.. plus Halo 3 and Halo 4 for the Xbox One.. would be well excited about that.. Halo 2 had the best multiplayer maps in all of the games imo.. Zanzibar is my absolute utter favourite, but Ascension, Beaver Creek, Ivory Tower, Headlong, Warlock, Lockout and Foundation were all amazing maps aswell.
You see if Halo did a multiplayer game only with the best maps from the series on it.. I'd be all over that like a rash with no hesitation of buying it, still the best Multiplayer FPS game to date for me.