A Traveler's Guide to the Multiverse: Earth-001

I remember Hermione once telling me that I had a 'saving people thing,' and now more than ever that's evident to me. Three days in this reality, a place I was supposed to only chart for Hermione's possible tourism venture, and I'm already making plans to fixing. But what can I do? With villains and monsters running rampant, and the world barely hanging on?