The スーパーナチュラル Prequel Is Retconning A Major Part Of The Winchesters' History 

screenrant.com -BY JOHN ATKINSON -A new スーパーナチュラル prequel centered on John and Mary Winchester is currently in the works, but the spinoff already retcons established canon.
キーワード: スーパーナチュラル, prequel, retconning, major part, winchesters, history