Update: A Warner Bros. Discovery spokesperson has now issued a statement in response to Comcast/Sky’s lawsuit:

Comcast and Warner Bros. Discovery are squabbling over HBO/Max's coming Harry Potter series. Specifically, UK broadcaster Sky, owned by Comcast, has sued WBD for the right to co-produce the small-screen adaptation of J.

Under the deal, Warner Bros. Discovery was allegedly obligated to present Sky with opportunities to co-produce at least four shows per year from 2021 to 2023.

Comcast's Sky UK has sued Warner Bros Discovery over a dispute with the upcoming 'Harry Potter' series. See the latest updates here

Comcast’s European pay-TV company Sky has sued Warner Bros Discovery, accusing the entertainment giant of violating an agreement that gave Sky long-term exclusive rights to shows including a new “Harry Potter” TV series.

COMCAST’S European Sky pay-television unit sued Warner Bros, alleging the film and TV company breached an agreement to share co-production opportunities on projects like a Harry Potter TV series. Read more at The Business Times.

"Warner has repeatedly failed to offer Sky the annually required minimum number of contractually qualifying series for its consideration," Sky states.