This could have worked before but now it would be received poorly. You can’t just tuck away your gays, there is no way to retire him save perhaps him getting to star in some pivotal DC event and him playing a vital role.
Maeve from the boys did this pretty well, but they also didn’t actually kill her and left a back door for her return if the actress chooses too. But this is the closest to a happy ending she can get right now.