As of October 2023, "Hotel Transylvania 2" is not available on Disney+. Instead, it is typically available for streaming on platforms like Amazon Prime Video, Hulu, and sometimes on Netflix, depending on regional licensing agreements. Always check your local listings, as availability can change.

CeeLo Green did not return for "Hotel Transylvania 2" because his character, Murray the Mummy, was voiced by a different actor, Keegan-Michael Key. Green's absence was attributed to a combination of scheduling conflicts and the creative direction of the sequel. While he voiced Murray in the first film, the filmmakers chose to go in a different direction for the sequel, resulting in Key taking over the role.

In "Hotel Transylvania 2," Mavis is depicted as being around 118 years old, which is equivalent to a young adult in vampire years. She becomes pregnant with her son, Dennis, shortly after marrying Johnny, who is human. The film explores themes of family and acceptance as Mavis and Johnny navigate the challenges of raising a half-human, half-vampire child.

In "Hotel Transylvania 2," Adam Sandler voices the character Dracula, the vampire owner of the hotel. In this sequel, Dracula is adjusting to the changes in his life as his daughter Mavis is married and has a half-human son, Dennis. The film explores Dracula's attempts to embrace his grandson's human side while also trying to ensure that Dennis inherits his vampire traits. Sandler's portrayal adds humor and warmth to the character as he navigates the challenges of family and tradition.