The Two Towers (2002) grossed over $900M worldwide, benefiting from Peter Jackson’s bold decision to film the entire trilogy at once, a move that streamlined production and reduced long-term costs.
In the books, it is not Arwen who gets Frodo to Rivendell. It is Glorfindel, one of the most powerful elves in Tolkien’s history.
He once fought and killed a Balrog, and even the Nazgûl backed off when he showed up at the Ford.