James Wan's The Conjuring first hit theaters in 2013. Although no one could predict the massive franchise that would blossom from the film, fans had high hopes. After all, Wan is one of the biggest names in horror. As the creator of the Saw franchise, the Insidious franchise, and more recent successes like Malignant and M3GAN, Wan knows his way around a horror movie set.
Source:https://www.cbr.com/conjuring-universe-ranked/