Guests at San Diego Comic-Con have been treated to a glimpse at Halo 4: Forward Unto Dawn, the live action digital series being released by Microsoft to set the stage for the latest instalment in the Halo franchise, Halo 4.

Set to unfold in five online episodes, Halo 4: Forward Unto Dawn leads into the events of Halo 4, and takes fans back to the beginning of the war between the humans and the Covenant.

The series premieres on October 5, with the game set to come out a month later, on November 6. Check out the trailer below and let us know what you think - is Microsoft building up Halo 4 too much, or will it deliver on the hype with ease?