John Cena was advised not to work in THIS superhit film
John Cena's agency initially advised him against working in the successful film 'Barbie'. Despite this, Cena made a cameo appearance as a merman named Kenmaid. The project was a critical and commercial success, receiving eight Oscar nominations and grossing over $1 billion worldwide. Margot Robbie and Ryan Gosling also starred in the Greta Gerwig-directed film.