Studio contracts are a double-edged sword. On one hand, a three-movie deal means guaranteed work for years! On the other, it's the reason we have a Cat in the Hat movie so offensively bad, it scandalized Dr. Seuss' widow.
Even a dream gig can come with strings attached: Ryan Reynolds only landed Deadpool in Deadpool because he played ball and appeared as Deadpool in X-Men Origins: Wolverine.
Here are a few more iconic (or universally detested) performances that were forced out of an actor like the last squirt of toothpaste: