Eric Bischoff told Ryan Rider on Main Event Radio that he’s in the middle of a lawsuit with TNA Wrestling and that he doesn’t have any positive memories while working there. Bischoff stated his son, Garett, no longer wrestles and transitioned out of the business when he did. Garett has a career outside of wrestling and resides in Florida.
When asked if he would return to WWE as a General Manager or for a one-time appearance, Eric said it was highly doubtful and that he hasn’t been called.
You can hear the whole interview that was conducted at the Montreal Comic Con at this link.
Bischoff held various backstage roles in TNA from 2010–2014 in addition to appearances as an on-screen character. His production company, Bischoff Hervey Entertainment, handled production for TNA during his years there and a lawsuit was filed in May 2015 over non-payment. I'm unclear if the lawsuit Eric talked about in this interview is the same one or over something else.
TNA sent Eric Bischoff home in October 2013 even though he was under contract until 2014.