Disney wants Reddit and Google to reveal who leaked Marvel Ant-Man and the Wasp: Quantumania script

Disney has asked a court to force Reddit and Google to identify who leaked a transcript for the latest Marvel film weeks before release.

Ant-Man And The Wasp: Quantumania premiered last month, but not before dozens of pages of dialogue were posted online and revealed key story details.

The 63-page transcript was shared as a Google Docs file on a Reddit community page dedicated to sharing and discussing leaks and rumours about Marvel films before they hit cinemas.

Marvel, which is owned by Disney, is notoriously secretive about its projects.

In a bid to find out who was behind the leak, Disney has asked a California court to issue a subpoena compelling Google and Reddit to share any "identifying information" they have about the account responsible.

The court filings have been made by a Disney subsidiary called MVL Film Finance, which says the transcript was posted "on or about" 20 January.

Quantumania, the third Ant-Man film starring Paul Rudd and Evangeline Lilly, released on 17 February.

The transcript was posted on the MarvelStudiosSpoilers subreddit by an account called MSSmods, which is shared among the community's moderators.

It featured a translation of the film's Portuguese subtitles, Variety reports, though not in chronological order.

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The subreddit has hundreds of thousands of users, but has gone private and new members must be approved.

The Google Docs file and Reddit post had both been taken down before either platform could take action.

Reddit has not said whether it intends to comply with Disney's request.

"Reddit is committed to protecting our users' privacy," said a statement.

"We have rigorous processes in place to assess legal requests and object where appropriate."

Sky News has contacted Google for comment.