The Great Arcanist Who Can Travel Through American Comics

My name is Li Zhe, and my local name is Arthur. I'm an Earthling whose soul has been transported to the Wizarding World. But I have a cheat code. Once I recharge my unsealed secret book, I can travel through time and space and arrive in the Marvel Universe! I want to tell them, Iron Man, Thanos, Galactus... here I come!