Percy Jackson worries about being a “one-quest wonder” at the start of “Percy Jackson: The Sea of Monsters,” which could be more simply called “I Am Still a Teenage Demigod.” ...

Somewhere at Hogwarts School a wizard is working on a powerful anti-mimicry spell. “Percy Jackson & the Olympians: The Lightning Thief” echoes J.K. Rowling’s mythological world so closely ...

In Percy Jackson: Sea of Monsters, Kronos lives and rages, an igneous marvel of special effects, but if he's still into hilarious castrations, this sleepy PG kids' adventure doesn't dare hint at it.