The more I think about the last minutes the more I’m sure Crowley was saying goodbye from the minute Aziraphale told him he’d said yes to Heaven. He doesn’t confess his love like he’s hopeful, he confesses it like a eulogy. He doesn’t kiss him to make a beginning, he kisses him to seal the end. He watches him go like it’s the last time.
Crowley knows Heaven. He knows they’ll want to either make Aziraphale just like them, or destroy him. Either way I think he believes he’s seen his angel for the last time.
Au where Damian comes to Gotham with the goal of infiltrating and eventually overthrowing Batman instead of inheriting the mantle. Not much changes from canon except for the fact that he views everything that batman owns as his. That's his future cave and his future batmobile. This also includes his robins. After all everyone knows Batman wouldn't really be Batman without them.
Cue a very bewildered Tim being lectured on his eating habits by a righteous Damian who won't let one of his people take shortcuts with their health.
“Gale is so boring” he had a emotional and sexual relationship with a goddess and was so down bad for her that he tried to reclaim a small aspect of her power just to please her and in doing so ended up with a magical bomb in his chest yet that doesn’t keep him from being a kind, slightly condescending, enthusiastic malewife nerd who thinks your dirty ass smells good GET OUT OF MY HOUSE