Maybe, maybe not.

Yes. Rubble shouldn't be enough to kill her.

^She didn't care if she died in the process, so, yes, rubble probably could do it if she wasn't defending herself. I think the only way she's alive is if someone else saved her (e.g. Chthon, Mephisto, etc)

Personally, if Wanda did die, I don't feel like if I'm gonna care despite loving Lizzie Olsen. How she brutally slaughtered the Illuminati was too much to justify her search for her children.

I don't think she's dead but I do want her to be dead and then come back. She is powerful, like extremely. And I think that her chaos magic has an "auto-pilot mode", acting without her choosing to.

I could very much see something like it happened in the "trial of Magneto" storyline, like she basically resurrect herself, using chaos magic to come back from the after-lifd.

I really want her to be alive but I feel like she could have been killed off in the movie

Now if she returns in Agatha: Coven of Chaos then we could get an answer there

If Earth-616 Wanda doesn't return then I guess a variant of Wanda probably an X-Men version of the character should appear instead

She probably died but there's another variant of her that will arrive in Kang Dynasty.