How can God go back and deal with the Jews?
I suppose the Old Covenant could be revived. The doing of it might require a revision or two to Sacred Scripture though.
"This is my blood. The blood of the new and eternal covenant. Do this in memory of... actually, wait a minute. Nah. When I say 'eternal', I don't actually mean, like, ETERNAL. Yanno? I mean, this is a totally legit covenant and stuff but, like, when I come back as
Space Jesus and rapture everybody and stuff, this new and eternal covenant that I'm about to make will actually be
the temporary covenant. Because after that, we're be back to the old covenant or whatever.
"No, srsly, there will be a third temple and valid animal sacrifices will be offered. NB4 the second temple hasn't been destroyed yet, I know. I
totally know. Just go with me here, mmmkay?
"So yeah, the third temple will be totally accepted by God because there will be this one guy, it's a weird story, just trust me, there'll be this one guy who goes in there and does some really scandalous stuff to defile this third temple which shouldn't even exist in the first place because the old covenant it represents has been fulfilled by Me and I'm supposed to set up a new and eternal covenant. Right? But, like, this new covenant that I'm setting up ain't gonna be very eternal, y'all. And like I say, after that we go back to the old covenant, lulz. Wacky times, idk.
"Anyway, so when I say 'eternal', I don't actually mean
ETERNAL eternal, fam. It's not literal. But when John over there writes the Apocalypse, it will be TOTALLY literal when he talks about a thousand year reign. 365,000 days; no more, no less. Anybody who says otherwise is a papist or something. Don't worry, you'll find out about the papists later. Pete, you'll LOVE this, I promise!
"But anyway, whatever, this is my blood. The blood of the new and eternal..."
But yeah, I guess it's possible to go back to the Old Covenant though. Maybe.