Which psychological principle did Marvel Studios most effectively leverage in their decade-long marketing strategy leading up to 'Avengers: Endgame'?

In the high-stakes world of film distribution, studios employ sophisticated marketing strategies based on consumer psychology to maximize box office returns. This poll tests your knowledge about how psychological principles influence film promotional campaigns, audience targeting, and the creation of memorable movie brand experiences. Do you understand what makes audiences line up for opening weekend?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The IKEA effect: viewers felt invested in the universe they had spent so much time 'assembling' through multiple films
The endowed progress effect: viewers who had watched previous films felt compelled to complete their journey
The paradox of choice: limiting major storylines to only 6 original Avengers to avoid overwhelming audiences
The scarcity principle: creating artificial limitations by suggesting certain characters would permanently exit the franchise