Fans are not at all happy.

Long ago, promises were made by developer Crystal Dynamics and publisher Square Enix that "pay-to-win" mechanics would never be introduced to Marvel's Avengers. For a while, that promise was kept. Today, that promise was broken.

With the release of Marvel's Avengers on Xbox Game Pass comes a new addition to the game: Paid XP boosts.

The in-game market for Marvel's Avengers was recently updated to include XP boost consumables...