DeviantArt (September 3, 2021 at 5:26:10 PM UTC)

SJ: Into the Hasbroverse - Full theatrical poster.
Trapped in the Hasbro serververse, tennis champion Serena Williams teams up with Twilight Sparkle and a host of other Hasbro characters for a chance of saving their world from the tyranny of Rich Uncle Pennybags, who has grown bored of his role as a mascot and plans on taking over the company. But when Serena and Twilight's personalities and strategies collide, the two must learn to work together or risk losing more than the game.

Cast and Characters:

Serena Williams as herself - The renowed 23 grand slam Tennis Champion who becomes trapped in the Hasbro Serververse after turning down a toy deal. Williams also voices her animated counterpart.

Tara Strong as Twilight Sparkle - An alicorn princess and one of the main characters of My Little Pony: Friendship is Magic whom Serena teams up with to save the Hasbroverse.

• Tara Strong also appears in live action as Leslie, Serena’s timid personal assistant.

Benedict Cumberbatch as Rich Uncle Pennybags - The rich, and dapper mascot of the Monopoly board game franchise and the main antagonist who is no longer satisfied with being a mascot and decides to take over the Hasbro company.

Missy Elliot as Synergy - The beautiful and flashy Artificial Intelligence from the Jem and the Holograms franchise and Pennybag’s girlfriend who tires of playing second fiddle to the band joins him in his conquest. Elliot will also contribute an original song to the film.

Ashleigh Ball as Rainbow Dash and Applejack - Two of the Mane 6 from Friendship is Magic. Rainbow Dash acts as a coach for Serena and Twilight while Applejack serves as a sports vendor, taking advantage of the game to sell her family’s apple products.

Andrea Libman as Pinkie Pie and Fluttershy - Two of the Mane 6 from Friendship is Magic. Pinkie Pie is a mascot/cheerleader for the team while Fluttershy is a sports nurse.

Tabitha St. Germain as Rarity - One of the Mane 6 who designs Serena and Twilight’s uniforms.

Cathy Weseluck as Spike - Twilight’s young dragon assistant who serves as a towel/waterboy during the game.

John De Lancie as Discord - The mischievous spirit of chaos and disharmony from Friendship is Magic who is now wealthy and serves as a sports manager.

Keegan Michael Key and Jordan Peele as Milton and Bradley - Two Furbies/Private eyes who work for Pennybags. They are specifically based on the Furby Connect.

Jocelyn Loewen as Penny Ling - The timid and reserved Panda pet from Littlest pet shop who serves as a sports commentator along with the McEnroe Brothers.

Alan Tudyk as Mr Potato Head - The titular potato toy who serves as a referee.

Additional voices include Peter Cullen, Britta Phillips, Jason Marsden, Jason David Frank, Frank Welker, Barbara Goodson, and Charlie Adler, who all reprise their roles as their respective characters, with appearances from the McEnroe Brothers. The film will also feature cameos from many Hasbro-licensed characters.

UPDATE:

Full plot can be read here. Fair warning, Serena William's portrayal in this story is EXTREMELY fictionalized and does not reflect the life of the actual athlete:

https://docs.google.com/document/d/1hdDT0X4SY2bQ_H5rQVsRCNs-hVIFeFhyGqZ5NtfREXI/edit?usp=sharing

Made a slight change to the cast.