A whopping 17% positive reviews on Rotten Tomatoes.

Critic after critic pounding the derivative film that spins out of a much-beloved series of novels. Which feel for all the world like a marketing department’s idea of “How we can get in on this Potter/Percy/Twilight mania for all things fantastical and girl-friendly?”

A favorite moment, when the furry-browed beauty Lily Collins, as Clary, is dressed in her combat cocktail little black dress and accompanying knee boots to battle vampires, demons et al in style.

Will “Mortal” make a bundle this week and weekend?

Variety says it will “have a tough time” breaking $20 million.