In the 'aftermath' chapter of System Failure, there is a fiction bit that deals with some random psyche patient NPC who as it turns out is an early technomancer. She talks about how she'd been talking with three particular 'entities' that were curious about her and others. The descriptions given for these three entities were nearly identical to the icons of Mirage, Morgan/Megaera, and Deus but they seemed to be in an odd state that seemed to me as some kind of fugue or amnesiac condition. Reborn in a way, perhaps?
And there's always Netcat's techno morning sickness from a few books back. Deus' name was one of the few coherent portions in it.
And Pax was never apprehended during the whole Crash 2.0 deal. Some of her Ex Pacis folks got killed/arrested, but she slipped away to wherever. When Feral Cities talked about the things occurring in Geneva, I immediately said 'Yep... Pax is hip-deep in all that.'