Pokémon Detective Pikachu

B-

People around me were gasping, hooting, and laughing at various details that passed right by me during “Pokémon Detective Pikachu,” so if you are already a fan of the Pokémon franchise, the cards, the series, the games, you will be better off reading a review from someone as deeply enmeshed as you are. If you are only vaguely aware of the characters and premises of the international merchandising monster that began as “pocket monsters” and now has an entire universe of things to buy (more than 300 million copies sold of just one of there many, many games alone), then stick with me and we will try to assess this new movie on its own merits.

That would make merit number one for non- or not-yet fans the non-stop commentary of Ryan Reynolds, who provides the voice of the title character, a kind of PG version of his iconic Deadpool performance. After that, we have an appealing human lead character, Tim Goodman, played by Justice Smith of “Paper Towns” and “The Getdown.” He interacts believably with the CGI characters and even manages a genuine character arc as we see him become less isolated and more vulnerable and authentic.

We first see Tim as a quiet loner working as an insurance appraiser. He lives in a world where people often catch or partner with Pokémon characters, something like pets or sidekicks or Phillip Pullman-style daemons. He once…