From IndieWire · Brent Lang · · 1m
Why Harry Potter and Transformers Won't Team Up
Paramount and Warner Bros. can't make Harry Potter and Transformers crossover due to licensing.
In brief
Paramount and Warner Bros. can't make Harry Potter and Transformers crossover due to licensing. Complicated licensing agreements prevent Paramount and Warner Bros. from making a Harry Potter and Transformers crossover movie. Originally reported by IndieWire.
Licensing Hurdle

Complicated licensing agreements prevent David Ellison from pulling off crossovers between Paramount and Warner Bros.' biggest franchises.
2022 Attempt
In 2022, Brian Robbins, then leading Paramount Pictures, wanted to bring two cinematic universes together for Transformers: Rise of the Beasts.
Spielberg Approval
Steven Spielberg, the franchise's executive producer, gave sign-off for G.I. Joe to appear in a coda to Transformers: Rise of the Beasts.
Hasbro Blessing

Hasbro, the company behind both toy lines, also gave its blessing for the cameo and future crossover projects.
Michael Bay Resistance
Michael Bay, the director of the first four Transformers movies, worried bringing characters together would 'cheapen' the series.
50 Calls
Robbins called Michael Bay 50 times to get him to sign off on the crossover project.
The main idea
Complicated licensing agreements prevent Paramount and Warner Bros. from making a Harry Potter and Transformers crossover movie.





