Actors who wear superhero suits as part of their roles in the Marvel Cinematic Universe endure several challenges that fans might not be aware of.

For many MCU stars, going to the bathroom, eating, and scratching itches can be challenging while wearing their suits.

Regardless, lots of the actors say that the end results make all the discomfort worth it.

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Superhero suits look glamorous on the big screen, but fans might not be aware of the challenges the stars face with their outfits when the cameras aren't rolling.

For many actors who have starred in the Marvel Cinematic Universe, the costumes are snug, heavy, or generally uncomfortable. In some cases, the outfits make it difficult to hear, drink, and eat.

Other MCU stars, like Gwyneth Paltrow and Evangeline Lilly, have raved about their costumes and called out their costars for complaining.

Here are 14 celebrities who revealed what it's really like to wear their MCU suits