New Mutants (1983) #20

Cover art by Bill Sienkiewicz. Badlands, script by Chris Claremont, art by Bill Sienkiewicz; The New Mutants battle the Demon Bear; officer Tom Corsi and nurse Sharon Friedlander are transformed into Indians; Magik defeats the Demon Bear with her Soulsword; Danielle Moonstar’s parents return from the dead, having been freed from the Demon Bear’s power.

36 pgs. FC Cover price $0.60. (Note: reference picture, not an actual scan)