I just picked up some new Halo Series 6 Mega Bloks figures today at the Walmart in Richmond, CA.
These are the codes for the Series 6:
A03092MM - Grey UNSC Spartan EVA (Common)
A05092MM - Purple UNSC Spartan EOD (Common)
A06092MM - Yellow Spartan Mark V (Rare)
A14092MM - Blue AC Elite / Cobalt UNSC Marine (Mystery)
3 hours ago