The family's all here this time.
http://www.nintendoworldreport.com/news/64493/new-trailer-aired-for-detective-pikachu-returns
A new trailer for Detective PIkachu Returns ran during the Pokemon Presents that has revealed more of the game's characters.
In addition to Tim Goodman and his missing father Harry, the story will also include Tim's mother Irene and sister Sophia. Partner Pokemon were also shown, using a Growlithe to sniff out clues and a Darmanitan (Galarian form) to break walls.