People in the poster appear to be missing fingers or legs - common hallmarks of Gen-AI models - but the studio says that's not the case.

According to The Wrap, however, a spokesperson for Marvel has denied that AI was used in the creation of the posters. Marvel has used AI in the past however, with the opening credit sequence for the Disney Plus series Secret Invasion being entirely AI-generated.

Some posters that arrived with the first trailer for Fantastic Four: First Steps have been accused of using AI, but Marvel is denying that that's the case.

Marvel dropped posters for a forthcoming film and one sparked quite a response. “The Fantastic Four: First Steps” tells the story of Marvel’s first family and stars Pedro Pascal as Reed Richards/Mr. Fantastic;