You're welcome to have that opinion, but if the films had the typical tone seen in your average superhero film, they would have been reviewed better....
Except it isn't a lie. Marvel outsold DC on average during the Bronze Age, the DCU, the New 52, and still does today. I wish DC were more competitive...
It wouldn't be easy for anyone to sue for slander in this regard, though. That's why it's not commonly done, especially for celebrities. All three of...