...yet...
http://www.polygon.com/2014/9/13/6142223/a-disney-decree-stay-off-simba
It seems they are having trouble with what they can do with him as there are certain rules in place. Simba can't be a mount like rajah because he's a king, and because he also talks that also makes things a little trickier.
They also seem to have trouble with animating 4 legged animals in a 3D space but understand the demand for 'the lion king' characters based on other articles I have read.