Here is what i think will happen Season 3

First Hershel will die the same way allen did in the comics

Harold will be the tv counterpart of Thomas

Harold will kill Beth

Maggie will kill Harold

T-Dog will survive death countless times and he will also survive a Famous Gym Scene from the comics

Andrea will want to join the Govoner

Tyresse, Alice, Martinez, Bruce, Gabe, Sam and Lilly will be at Woodbury

At season end Lorri will die!

that is all for now hhaha!