Heynong man is about to take over the world! Invincible also did it recently
Edit: just realised that the Deadpool issue is actually written by Scott Aukerman himself, so not that surprising that he smuggled a heynong man in there
No. He said since they are now bought by Disney and DC is owned by Warner ist just mega unlikely that with big mediaconglomerats in the neck a Crossover is going to happen.
There's decades and decades of this stuff. People constantly switched companies, they still do. And often landed on the other side with nothing nice to say about their previous employer.