I think Mortis by itself is not so much of a problem, but the direction the EU seems to be going with it might be trouble.
Well I'm sure Disney will take care of that while their nuking the EU from orbit. It's the only way to be sure

^
I read that some official (Disney perhaps?) said that Clone Wars would do well on Disney XD. So it's possible that if Clone Wars might eventually jump ship. To be fair, it would make a nice block with Transformers Prime.
Meh, at which point I would no longer have any reason to continue watching Cartoon Network for the time being.