Walt Disney's Comics and Stories # 727 (IDW Comics 2015)
Goofy never knew he had an evil twin till he and Mickey face death by demonic double in The Search for the Zodiac Stone: Chapter 7.
Then Donald Duck and Ludwig Von Drake solve The Planet X Mystery but soon wish they hadn't.
Walt Disney's Comics and Stories # 727 is written by Bruno Sarda and others with art by Franco Valussi and others and a cover by Andrea Freccero.
Walt Disney's Comics and Stories # 727 is a 40 page comic book in full color and rated E.