Here is the fifth CG episode of Halo 4: Spartan Ops, created by Axis Animation.
Tron Evolution Art by Ten24
Ten24 and Axis Animation created the highly detailed character and light-cycle models for the Tron Evolution publicity renders and box cover art.
Halo 4: Forward Unto Dawn - Director Interview
Stewert Hendler talks about directing the Halo 4: Forward Unto Dawn webseries.
Making Halo 4 - Part 1 and 2
Join 343 Industries on a 20 minute behind the scenes featurette on the creation of Halo 4.