As of October 2023, there is no season 4 of "Locke & Key" planned. The series, based on the comic book by Joe Hill and Gabriel Rodríguez, concluded with its third season, which was released on August 10, 2022. The creators announced that the third season would be the final installment of the series, wrapping up the storylines of the Locke family and the magical keys. Fans of the show will need to look for other projects from the creators or explore the original comics for more content.

"Locke & Key" was not officially canceled; it concluded after its third season, which was announced as the final season. The decision to wrap up the series was made by Netflix, likely due to a combination of factors including viewership numbers, the show's adaptation of the source material, and the desire for a complete storyline. The creators aimed to provide a satisfying conclusion to the characters' arcs, ensuring that the story ended on a high note rather than leaving it open-ended.

"Locke & Key" is generally considered a success, both critically and commercially. Based on the comic series by Joe Hill and Gabriel Rodríguez, the Netflix adaptation premiered in February 2020 and has garnered a solid fan base. It received positive reviews for its engaging story, character development, and visual style. The show ran for three seasons, concluding in 2022, which indicates that it maintained viewer interest. Overall, it can be categorized as a hit rather than a flop.

Yes, "Locke & Key" is based on a comic book series of the same name written by Joe Hill and illustrated by Gabriel Rodríguez. The series, published by IDW Publishing, debuted in 2008 and follows the Locke siblings as they discover magical keys in their ancestral home, each granting unique powers and abilities. The Netflix adaptation, which premiered in 2020, expands on the original story while introducing new elements and characters, capturing the blend of horror, fantasy, and family drama present in the comics.