Michael Cera explained on a June 24 podcast interview that he turned down the opportunity to star in the 'Fantastic Beasts' franchise in a purposeful attempt to 'limit my exposure' in the years after he grew famous for blockbuster comedies like 'Superbad' and 'Juno' when he was still a teenager.
https://people.com/michael-cera-turned-down-fantastic-beasts-role-too-f…