Sounds like Legendary studio eyeing there own Cinematic Universe. According to Legendary Entertainment producer Ali Mendes, Pokemon: Detective Pikachu could pave the way for a live-action Pokemon Cinematic Universe – IGN reporting.
“[Pokemon is] such a rich universe. There are so many ways you can go inside of it. We’re trying to get the first movie right, and then once we’ve done that, we’ll see where we go from there, but absolutely. There are a lot of opportunities”
“Even the Pokemon themselves, there are eight hundred of them. We’re going to have a lot of them in [Pokemon: Detective Pikachu], but we want to play with all of them at some point,”Mendes said.
Detective Pikachu is a spin-off game in the Pokémon franchise, in which players work with a talking Pikachu to solve mysteries. The game was released on the Nintendo eShop in Japan on February 3, 2016. Rob Letterman ( Goosebumps) is to direct the live-action film with a script by Nicole Perlman (Captain Marvel) and Alex Hirsch (Galaxy Falls).
Ryan Reynolds (Deadpool) will voice Pikachu and will be joined by Justice Smith (Get Down) and Kathryn Newton (Big Little Lies) as Smith younger sister. Ken Watanabe (Legendary’s Godzilla) will play original character Detective Yoshida. The film also stars Bill Nighy (Pirates of the Caribbean: Dead Man’s Chest, Love Actually), Chris Geere (You’re the Worst), Suki Waterhouse (Assassination Nation), Rita Ora (Fifty Shades Freed), and Omar Chaparro (Stuck, Overboard 2018).
The franchise was created by Satashi Tahiti in 1995. The Pokémon Red and Green (Pokémon Red and Blue) released in 1996 was the first game of the franchise. Pokémon the Hughet-grossing media franchise of all time with $90 billion in total franchise revenue.