Re: The Official Scarlet Witch Thread
It would not be a plot hole if you build it around the mystery of them.
Consider this. The siblings have been outcast their entire lives. Pietro has built up a defense about it, but Wanda so desires to be apart of the world, accepted. If at the end of the film, they still don't know why they are different, but are still accepted by their team it would be the best take on the mutant idea so far. I can already see the Cap pep talk.
"The Force is strong in my family. My father has. I have it. My sister has it. You have that power too."