Quote Originally Posted by gurkle View Post
They left it ambiguous because it wasn't the point -- they didn't want Wanda to be fighting the villain's plan to take over the world or whatever, because they didn't want there to be a true "Big Bad."

The fight with Agatha was only about who would get to keep the powers of the Scarlet Witch, just like the fight with the two Visions was just about who was the real Vision.
Quote Originally Posted by Ravin' Ray View Post
Pure speculation on my part, maybe Agatha felt she needed it in preparation for any exigency. Living hundred of years should have given her a lot of exposure and experience so maybe she's a bit like a doomsday prepper, who knows?
Ok. I prefer if the villain actually wants to use the power for something, like Thanos did, rather than simply for its own sake

But if they didn't want a Big Bad, why make Agatha evil?