I am not a fan of Black ops or Call of Duty, so that's out.
However Halo 4 has broken my heart in so many ways. Having seen some of the footage and heard details about it I can honestly say that it's very far away from the original formula. None of the old charm seems present, I really don't like that they seem to be turning Cortana into a psycho and I SERIOUSLY don't like how the Covenant have somehow returned despite the Elites allying with the humans and all the Prophets being dead. I also am annoyed that the Covenant now appear to just be generic cookie cutter evil alien monsters indistinguishable from the locust or the Ceph or any other evil aliens. In Halo 1, 2 and 3 the Covenant had actually personality and were even humanized to some degree, this is lazy.
But the final straw for me, the thing I can never forgive is 343 removing the Elites from multiplayer!!! Maybe the elites have only been removed from competative multiplayer (the article didn't specify) but so far we've seen no proof that you can play as Elites in custom games. Maybe we can but unless I have proof I'm not buying it. Yes, I am that petty. I'm sorry but being an Elite in mutliplayer was awesome. Not many games let me play as a reptilian alien as an option instead of boring old super human in a cyber suit, this was the reason why I preffered Halo to every other multiplayer game out there and now Halo 4 has decided to remove that.
So yes I am not a fan of Call of Duty but I cannot support Halo 4. Not if it really is just going to kill everything I loved about Halo in the process. Shitting on characters I loved, dubious retcons, multiplayer desperately trying to ape whatever is popular and sacrificing the things that made Halo genuienly unique to do it. Not happy about it.