Yeah, it's that she's a poorly-written evil alternate universe version (in both the game and comics) that's annoying not that's she an evil alternate...
Well, when you look at the state of the Lane family in certain continuities, it's not much better. Sam loves his daughter but he doesn't show it well...
I just don't see them making Wanda the villain in this. It seems that way now, but I think she's still going to come out a hero at the end of the day...