Of which he should if there's something he could do in the film where toys start getting played with less due to the rise of mobile technology to play with, same said with Stinky Pete the Prospector, but one of the most important additions that we should be in for is Zurg, considering how Toy Story 5 is being directed by Andrew Stanton: https://www.change.org/p/make-lotso-return-in-toy-story-5

But whenever we do next see of Lotso in particular in something that's canon, I like certain others are hoping that his new voice actor will be someone like Sam Elliot based on how he sounds to point where his voice will be the right kind of fit.