The film revealed in a trailer — and makes it clear in the movie — that Lucius is Maximus' son. In "Gladiator," Lucius is just a child — here's what you need to know about him. In "Gladiator ...

Paul Mescal plays Lucius Verus in "Gladiator II." The film revealed in a trailer — and makes it clear in the movie — that Lucius is Maximus' son. In "Gladiator," Lucius is just a child ...