https://screenrant.com/disenchantment-characters-return-simpsons-futurama-ways/

Disenchantment may have ended but there are ways the characters could still return on Matt Groening's other animated shows, The Simpsons & Futurama

How The Simpsons, Futurama and Disenchantment Work as a Trilogy (https://www.cbr.com/the-simpsons-futurama-disenchantment-trilogy/)

Futurama, The Simpsons, and Disenchantment are great separately, but the ties that bind them turn the series into a trilogy that works well together.

https://screenrant.com/disenchantment-characters-return-simpsons-futurama-ways/

Disenchantment may have ended but there are ways the characters could still return on Matt Groening's other animated shows, The Simpsons & Futurama

I could see Disenchantment crossover with Futurama but with The Simpsons is a bit of a stretch.