They are already screwing with the story. For starters, it looks like they are wearing Unreal-inspired versions of the Mk. VI MJOLNIR armour, when they should all be wearing the Mk. V. Second, one of the signature Spartan II things is that they are all wearing the iridescent green armour, and that there are no markings on them whatsoever. That is part of what makes them like nameless/faceless ghosts in the field.

I like the visual style, I don't like the stylised approach to the actual world though. If I want to play Gears of War or Unreal Tournament 3, then I will go and play them. Leave Unreal out of my Halo, thanks.