While Warner Bros. Pictures already gave fans theirwith a trailer in November, Reynolds shared an even closer look at his character on Sunday.
The left side of the image shows Pikachu, while the right side features Reynolds' face covered in motion capture marker dots. These dots are used to track his facial expressions, which will then be used to make Pikachu's reactions looks more realistic.
In the upcoming Detective Pikachu movie, Pokemon creatures and humans live together side by side.
The Pokemon movie centers on the search for an ace detective named Harry Goodman who goes missing, prompting his 21-year-old son Tim to find out what happened.
Helping Tim in the investigation is Harry's former Pokemon partner, Detective Pikachu, described as "a hilariously wise-cracking, adorable super-sleuth who is a puzzlement even to himself."
Detective Pikachu is a spinoff from the Pokemon gaming franchise, which includes the Detective Pikachu game.
Pokemon fans will be able to see the movie when it hits theaters worldwide in May 2019.
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