As of 17th October 2012 there are the following:
Halo reach marine
Jorge
Skirmisher
Noble six
Kat
yes.
they will be mega bloks
yes mega bloks plan on making everthing from halo wars
no legos are way betterLegos are better, but Mega Bloks are WAY cheaper. Also Mega Bloks has much cooler products, like Halo and other video games. Especially HAlo.
yes there are two types mega bloks pelican one is halo wars and one is uncs dropship
no
Yes, the Halo Mega Bloks set is different because they're intended to be for the Halo series. They have a less "child-like" feel to them because of how action-oriented the Halo series is, making them much different than the ordinary Mega Blok sets.
yes
In Toysrus
Yes.
it is already out dumbo
at target or toysrus