Which unconventional product marketing strategy was primarily credited with turning the competing releases of 'Barbie' and 'Oppenheimer' into the 'Barbenheimer' cultural phenomenon of 2023?

In 2023, Warner Bros. and Universal Pictures achieved unprecedented success with the simultaneous releases of 'Barbie' and 'Oppenheimer'. What started as competing films became a cultural phenomenon dubbed 'Barbenheimer,' with audiences flocking to see both films on the same day. This poll tests your knowledge about the innovative product marketing strategy that transformed potential competition into collaborative success.

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Strategic embracement of audience-generated memes and social media trends rather than fighting against the unexpected pairing
A secretly coordinated cross-promotional campaign officially planned by both studios from the beginning
Limited-time bundle ticket packages officially offered by theater chains at a discount
Exclusive merchandise featuring characters from both films released before the premiere dates