Working with the Marvel Cinematic Universe isn’t always such a sunny experience, as has been noted by many of the franchise’s stars over the years. Responsible for catapulting many actors into celebrity status overnight while fueling the careers of established stars to ever greater heights, a role in the MCU is often seen as a professional blessing. But working on MCU movies isn’t always easy, and many starring performers have expressed some regrets regarding their stake in the series over time.
