Is Tao included in this? If so then both Pre and Post time skip teams get curpstomped via Taos tongue.
Only way it would be a somewhat decent fight is if you had both pre and post time skip teams somehow team up and fight Tao. Even then their odds are low. Wouldn't be a curbstomp but chances are still crap.
Another thing to consider. Their reflex's aren't supersonic. I doubt they can last against an army of troops wielding assault rifles, tanks, jets, and airships. Pretty sure that is a little much for them.
And because I have been wanting to post this again for a while now, Haku's feat:
Important thing to notice: Last two bottom panels of the first page, top two panels and middle left two on the second.
Same water droplet.
Basically Haku kills all the clones while a little ring of water is frozen in the air.
Still doesn't really compare to having bullets shot at you from multiple directions, each would have a speed ranging from being slightly below the speed of sound to faster than the speed of sound. We are talking thousands of these being shot at them in multiple directions.
Then there are the tanks, airships, jets, giant robots, mechs, androids, etc being thrown at them. Their chances are low.
As for the rest, it honestly doesn't matter given Naruto's Kyuubi form.
It also depends on just what are the conditions of the fight, but Kamina still hasn't shown up to answer that one.
Even as a Kyuubi, I doubt his chances against a high powered airship that fires powerful missiles.
Well they have nukes that bust mountains as well. But before we go on that, would you kindly post a scan of him surviving a mountain buster please?
Outside of possibly Tao and #8 (or his predecessors), maybe also General Blue, I'm not liking RRA's chances against Genjutsu. If Kakashi or Post-Timeskip Sasuke know Kabuto's trick for putting an entire stadium full of people to sleep, or something similar, they should be able to waltz through the rank and file without problems.
Fox Mr. Sinister (holding Rogue's chin): "So beautiful, yet so strong."
Fox Wolverine: "Well, I always did think I was kinda cute. Nice of you to mention it."
Official Board Ostrichizer
Well I don't see any mountains being destroyed. I see a lot of smoke but no crater where mountains used to be. So it is still iffy to call it a mountain buster. But I can still see Kuubi taking the missile shown above. However with multiple of them being shot at him? I don't see it being that easy tbh.
Even regular tailed beasts have shown themselves to be mountain busters in the manga, and Juubi has definitely shown way more firepower than all them combined.
To argue that he isn't busting multiple mountains because you can't see because of the smoke remaining after his giant laser engulfed them all is just... silly.
Also, seriously the RRA only had one of those missiles. It would be another thing if some random mook had used it, but it was Black the second in command turned leader with a robot that was clearly above all other ones seen so far. So you can't suppose the existence of imaginary nukes for Rumbles.