So it seems that after this latest update, Ghost ability to bypass evade is now affected by ability accuracy, as well as AAR immunity or force of will.
Here's the video. Its a duel, happened in AQ as well, not that it matters much.
https://www.youtube.com/watch?v=FYJX5yh2iX8Tried with a special crit as well. Ultron also evaded it. I assume this is happening everywhere now, not just against Ultron