Upon waking from your incident, the first thing you notice is still a woman, but also that your waist is thinner and your hair has grown longer. You seem to be alone in a hospital bay, bound to a bed wearing a hospital gown. Looking down at your body, you try to imagine a reality where you weren't bed bound and could walk away. As if like magic, you will your body back to power and float down to your feet. Out of thin air, you imagine a staircase unravelling out of the wall an exit, and just like that it appears. As you walk down the stairs you think "I definitely need a wardrobe change..." while imagining the perfect superhero outfit, and as you do, it materialises on your body as you walk away.
Oh. And because its chaos magic and you've not yet learned how to control it the building explodes behind you as you walk away. (Which only makes you look cooler)
And from there on out, you began to become the enchanting, bringer of hexes and chaos, Scarlet Witch