Haha no..eBay won't sue you for selling replicas. The ones who own the rights to the copyright/trademark of the replicas could very well sue you though. I wouldn't worry about that too much though, but then again I have no idea what your situation is or what you were selling.
__________________ “You have to learn the rules of the game. And then you have to play better than anyone else.”
can ebay sue you ? 
