In the postcredits scene, we find Wanda alone outside a cabin, tucked away in the mountainside reminiscent of both X-Men's Alkali Lake and Wundagore Mountain from the comics. Wanda heads into the cabin to refill her cup of tea, and as the camera pans to the bedroom, we see an astral duplicate reading the Darkhold. Wanda uses the same method that Doctor Strange does in his titular film, a sign that enough time has passed to allow her significant growth in her abilities even without formal training. Wanda then hears the voices of Billy and Tommy calling out for her, interrupting her reading. Since the boys still sound like kids, it means that they've somehow survived the end of the Hex or Wanda is being manipulated. Either way, the Scarlet Witch will undoubtedly search for her children, which ties very neatly into her appearance in Doctor Strange 2.
