EDE --
You have a point. It is somewhat jarring for the Legionnaires to leap into parenthood so soon.
Personally, I don't mind, though. In real life, teenagers get married (or want to get married) all the time, and, considering the circumstances Jo and Tinya found themselves in at the time (being trapped in the past, with Tinya having "died" and existing only in wraith form), I think it's understandable that they would take the plunge. They literally did not know what tomorrow would bring.
It's also understandable that the relationship has a few bumps in it. Jo and Tinya may or may not be teens, but they're still very young. Both have a lot of growing up to do. They may come to realize that they made a mistake by marrying so early. Or they may not.
I find this more realistic than the preboot version, in which, as you note, the Legionnaires waited decades (our time) before marrying and having kids. Realistically speaking, many of them would have married and hung up their hero booties years earlier.
There is also a tendency among Legion fans to want everything just so. Some want it to be just the way it was in the preboot. Some want only a favorable ending for our heroes (i.e., Jo and Tinya reconcile). Others call it out of character for Jo to have thoughts of another woman. (Out of character for the preboot version, maybe, but the current one is still developing.)
I think what DnA and other reboot writers have tried to do is recreate the Legion so that it's not exactly as it was in the past. This means that our heroes make mistakes that would have been unthinkable for them before. It also means that the ending we may wish for (Jo and Tinya reconciling, again) may not happen. It's an open book at this point. I'm fine with that, so long as it's a good story.
In either case, I, too, wish DnA would get on with the storyline. It's dragged out too long, which, as you noted, is another problem of the rebooted Legion and its large cast.
