as of currently, no. Bungie has confirmed that their last game will be halo:reach, and then they will move on to "something else." But 343 Industries, a branch of Microsoft Game Studios dedicated to Halo, may continue with the Halo franchise, relasing a Halo 4 or some other expansion.
its future cause if it was past the museum of hummanity would exsist
Halo 4 is called Halo 4.
Halo rights are owned by Bungee. Technically Halo 4 is "Halo ODST"
Yes, there is a Halo 4.
There is multiplayer in halo 4
there is no halo 4 because it is a trilogy. halo 3 was the end of the series.
halo 4 limited edition, comes with a copy of halo 4, a T-shirt and special armor customization.
Masterchief
No, the Arbiter is not in Halo 4.
Halo 4
In the Halo Universe, Halo CE. In reality, Halo 4.
Not yet, but there will be. Well, technically, you could classify Halo: Reach as Halo 4, but as for the actual Halo 4, its currently in development by 343 Industries.