Almost everyone who reads “American Born Chinese,” Gene Luen Yang’s groundbreaking graphic novel, is a little afraid of Chin-Kee. The book is a classic of young-adult literature, threading together stories of Asian American boyhood with a revered Ming dynasty novel. Chin-Kee’s role in it is a small one, but he is the bomb at the book’s heart. He’s a kind of Urkel character, embarrassing comic relief that isn’t so funny for the people who have to live with him — a cruel marionette pieced together from ugly stereotypes. He makes the old schoolyard “me Chinese” rhymes and begins sentences with “Confucius say …” He sings “She Bangs,” in a library, in the style of the “American Idol” contestant William Hung. At one point, he eats a packed lunch with a cat peeking out of the container. A laugh track runs in a ribbon under each scene, a brutal little receipt: “HA HA HA HA HA.” So when news arrived, in 2021, that “American Born Chinese” would be adapted as a live-action Disney+ streaming...