We haven't been shown anything to indicate they are at this stage. You've been gone for 10 years, dating a few weeks and you bought a ring? Buy some new clothes first and get thee to a salon Lucas Lorenzo Spencer Jr.
Rumor: JJ did a one year contract, that ends in August. There is an option to extend it. He's not going to extend his stay. Rumor has it, he will be leaving the show this fall. Of course they could always throw more $ at him but why would ABC approve it, when they have done next to nothing with his return. I remember a few years ago, Skye returned for like 2-3 weeks and they moved her around the canvas like a pinball.
They SORASED Aiden and nothing came of it. I think the last time we even saw Aiden was right after the accident. TPTB haven't even had Lucky state that they have hung out at all.