A cut scene from showed their first meeting, wherein Natasha noticed Wanda was wearing her jacket -- jacket sharing, whether intentional or not, being a popular shipping trope -- and said jacket became Wanda's iconic costume for the first few movies.

Source: https://www.cbr.com/scarlet-witch-black-widow-wandanat-ship-popularity-explained/

Agatha was Wanda's enemy but Hayward was the bad guy for sure.

Source: https://comicbookmovie.com/tv/marvel/agatha-coven-of-chaos/agatha-featurette-officially-released-teases-return-to-westview-the-witches-road-and-more-a208046

In the meantime, we have even more concept art from the sequel, this time showcasing many of the alternate designs considered for Wanda's costume and crown.

Source: https://comicbookmovie.com/doctor-strange/in-the-multiverse-of-madness/doctor-strange-in-the-multiverse-of-madness-concept-art-shows-alternate-scarlet-witch-costume-crown-designs-a205681

Through failed marriages, false childbirths, and reality-warping moments of desperation, the Avengers have been the one constant in Wanda's life.

Source: https://www.cbr.com/avengers-new-lineup-reason-marvel/

Unfortunately, that is the core of Wanda's power, being one of the most dangerous mutants on Earth.

Source: https://gamerant.com/best-female-villains-in-marvel-comics/

While it may seem like Wanda's final sacrifice redeemed her and has let the character die, there's still a chance for her to return.

Source: https://www.cbr.com/scarlet-witch-wanda-maximoff-mcu-marvel-comics/