WandaVision subtly revealed Scarlet Witch already possesses Doctor Strange's most dangerous power. When Wanda Maximoff made her MCU debut in Avengers: Age of Ultron, she was described as a "miracle" - one of only two people to survive exposure to the Mind Stone's energy during inhumane experiments conducted by Hydra. But WandaVision revealed the Mind Stone did not grant Wanda her powers, but rather amplified them, and that she is not a cosmic superhero but a sorceress.

According to Agatha Harkness, Wanda is in fact the Scarlet Witch, wielding the reality-defining power of Chaos Magic. "The Scarlet Witch is not born, she is forged," Agatha told her, apparently reciting words from the book of dark magic called the Darkhold. "She has no coven, no need for incantation... Your power exceeds that of the Sorcerer Supreme. It’s your destiny to destroy the world." Given Scarlet Witch is confirmed to next crop up in the Doctor Strange and the Multiverse of Madness, it looks as though Wanda will find herself living up to that destiny.

Related: What Is The Darkhold? WandaVision's Book Of The Damned Explained

It's easy to miss, but WandaVision already confirmed Wanda possesses the power to tear apart the space-time continuum. WandaVision episode 2 concluded with what viewers eventually learned was a SWORD agent managing to break through the Hex into Westview, and Wanda's reality-manipulating powers transformed him into a sinister beekeeper. When Wanda saw this beekeeper, she spontaneously manipulated time around him, rewriting the past so she and Vision had never encountered him, so the crack in her Happily Ever After world had never been exposed. The beekeeper may even have been killed by Wanda, because he mysteriously vanished, never to be seen again.

Beekeeper in WandaVision

This scene confirms Wanda Maximoff possesses the power to manipulate time - and, according to Doctor Strange, this is not a safe power to use. In his first movie, Doctor Strange used the Time Stone to experiment by using its power on an apple. Mordo and Wong discovered what he was doing, and they were appalled because they understood the danger of such experiments. "You weren’t manipulating the space-time continuum," Mordo snarled, "you were wrecking it." Strange was learning from the Book of Cagliostro, which places warnings after the spells, and so he had no idea what the risks of using the Time Stone like this really were. "Temporal manipulations can create branches in time," he was told. "Unstable dimensional openings. Spacious paradoxes! Time loops!"

Scarlet Witch doesn't need the Time Stone to manipulate - and wreck - the space-time continuum; as seen in WandaVision episode 2, she was demonstrating that ability on an instinctive level. Worse still, she is now learning the secrets of Chaos Magic from the Darkhold; the Book of Cagliostro may put the warnings after the spells, but if the MCU's Darkhold is anything like its comic book equivalent, it won't contain any warnings at all. Scarlet Witch's true power has already been demonstrated in WandaVision, and it is clear she can perform spells the Masters of the Mystic Arts could only achieve through the use of an Infinity Stone. Unfortunately, those spells simply aren't safe.

More: Why The Mind Stone Showed Wanda Her Scarlet Witch Costume

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