LOS ANGELES — Marvel’s first family has finally found box office gold. “The Fantastic Four: First Steps,” the first film about the superheroes made under the guidance of Kevin Feige and the Walt Disney Co., earned $118 million in its first weekend in 4,125 North American theaters, according to studio estimates Sunday.

So, is The Fantastic Four: First Steps appropriate for kids? Here's everything parents should know before taking their kids to see the action-packed film. It wouldn't be a superhero movie without some violence, but The Fantastic Four: First Steps is relatively mild — and bloodless — compared to other Marvel films.

A Manhattan with a retrofuturist sensibility is among the intriguing visual aspects of the film. We talk with its designers to get the details.