Which retail innovation first popularized the 'Season Pass' model that is now standard in many major games?

The gaming industry has transformed how virtual goods are sold and purchased within games. From loot boxes to battle passes, the retail strategies employed by game developers have evolved dramatically over the years to maximize revenue while balancing player experience. This poll tests your knowledge of a pivotal innovation in gaming retail strategy that changed how players interact with in-game economies and transformed monetization models across the industry.

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

Call of Duty: Black Ops (2010) with its map pack bundles
Fortnite (2017) with its Battle Pass system
Team Fortress 2 (2007) with its Mann Co. Store updates
Destiny (2014) with its Expansion Pass model