#2 Interference from Kane and Shawn, but finally The Undertaker prevails
Suppose in a similar fashion both interfere. In the end however, it's The Undertaker who gets the better of Triple H. One possibility for this would be that in the previous slide's narrative, Triple H fails to get the hammer and taps. This is not quite recommended as it would be the same as their WrestleMania 27 match.
Another way this could happen would be that in the previous slide's narrative, both men get up instead of staying out, and The Game gets to his feet first and goes for The Pedigree, but The Undertaker counters and nails him with a Tombstone Piledriver for the count.
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Kane recovers and they do the classic Brothers of Destruction pose, and there is a happy ending to the show. If no future tag match is intended, all 4 legends may show respect to each other, and the show closes with both DX and Brothers of Destruction poses.
Although this or a similar finish (with the same outcome of the match) would be the most liked one, I personally wouldn't recommend it the most. It makes perfect sense for The Undertaker to beat Triple H as he squashed Cena, and Triple H lost to Cena.
However, this would further diminish the credibility of any wrestler who beats Triple H in the future. If The Game loses to everyone, there would be no positive in beating him going forward.