The examples Ms. Johnson found run the gamut from the cringe-inducing to the praiseworthy. A 1992 issue of NFL SuperPro from Marvel depicting villains clad as sacred kachina figures proved offensive to the Hopi tribe; “A Hero’s Voice” (2006), the real-life story of six 19th- and 20th-century tribal leaders, published by the Mille Lacs Band of Chippewa Indians in northern Minnesota, has been popular in elementary schools.

