Yes, that would be a great sight! And you’re right, they could have both Claudus and Jaga mentoring Lion-O. But Jaga and Claudus could disagree on an issue and Lion-O’s left to figure out the answer for himself, which would make for a good story in its own right. 
ThunderCats is going to be CGI-animated film, even with current technology I think they look horrible compared to traditional hand-drawn animation. Oh well, I guess a film is better than no film.
At least they contacted Larry about it. I just wish they’d try to get Lynne, Peter and Earle Hyman to reprise their roles. Despite that Earle says he can’t do Panthro anymore, I still think he has it in him.