It looks like Disney may be taking some popular Blue Sky Studio franchises and exploring their stories a little deeper in the form of series.
According to Discussing Film, Disney/Fox are in early stages of development on spinoffs for both Ice Age and Rio for Disney+. The site reports that the Rio spinoff will focus on Nico and Pedro and that the Ice Age spinoff will focus on Buck.
Jamie Foxx and Will.I.Am voiced Nico and Pedro respectively in both Rio films, while Simon Pegg voiced Buck in 3 of the Ice Age films including Ice Age: Dawn of the Dinosaurs, Ice Age: Continental Drift and Ice Age: Collision Course. It is unknown at this time if the actors will return for the series.
Disney+ is set to launch on November 12, 2019. The streamer will include original films including Lady and the Tramp, Noelle, Timmy Failure, Stargirl, other properties coming include Monsters At Work, High School Musical: The Musical: The Series, The Mandalorian, not to mention all the other Marvel, Star Wars, docuseries, and more in active development.
Source: Discussing Film