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Midjourney Fires Back: Hollywood Studios Must Prove Their Own AI Use

The copyright battle between Hollywood and generative AI just took a sharp turn. Disney, Universal, and Warner Bros. sued Midjourney for allegedly using their copyrighted content to train AI models. But now, Midjourney is fighting back—demanding the studios prove their own innocence by revealing how they use AI internally.

At the heart of the dispute is the scope of evidence disclosure. The court initially ruled that studios only need to hand over final 'consumer-facing' video and image files. Midjourney rejected that limitation, calling it a selective attempt to block access to crucial defense evidence. The company argues that withheld documents could show whether studios are doing exactly what they accuse Midjourney of—using copyrighted material without permission to train AI.

In its latest court filing, Midjourney directly challenged the studios: if they are developing image-generation models for internal creative work, that practice itself shows AI has become an 'industry norm' in film production. By making this argument, Midjourney hopes to convince the court that the studios rely on similar technology, weakening their infringement claims. It also requested full disclosure of all prompts and generated results used in concept development and storyboarding.

David Singer, the studios' attorney, fired back, calling the request an improper 'fishing expedition' aimed at grabbing internal secrets. He emphasized that the studios aren't trying to block technological progress—they just want Midjourney to stop using their classic films and characters without authorization.

As the case deepens, this clash over AI training data and copyright boundaries is more than a legal spat. It could become a landmark moment, defining how AI is used in filmmaking and who is liable when boundaries are crossed. For now, the standoff over evidence continues, with both sides digging in.

Key Points:

  • Midjourney demands Hollywood studios disclose internal AI use, arguing it could prove AI is an industry norm.
  • Studios' lawyer calls the request a 'fishing expedition' and insists they only want to stop unauthorized use of their content.
  • The case could set a precedent for AI copyright standards in the film industry.