It sees to me that the way to get a shot against Cena is to attack him, rather then earn it. First Ryback, and now, Mark Henry.
For a moment, I was had. For 75% of his promo, I figured it a work, right up until the moment Henry mentioned his wife and kids. Even with John Cena conspiciously near-by, at that point, I thought they were giving Henry a nice show of respect by having the 13-time champion raise Henry's hand for the last time. As Cena later mentioned, Edge, Ric Flair, and HBK have all done retirement speeches on Raw, so Mark Henry was, at least, plausible in doing so.
The idea here is simple: How do you protect Mark Henry going forward and keep John Cena champion? The last time they ran with Henry vs. Cena, it was before said attack by Ryback, and he was to earn a shot at the title. He lost, by countout, so I can't see them going to that finish once again. At the same time, I can't see them putting the belt on Henry here either. He's been built up nicely through his faux retirement promo to the vignette on him as World's Strongest Man and all, and his two promos as well have reinforced that he's a strong character. Further, the John Cena character has done a nice job of showing actual fear of Henry, demonstrated best by his backing off as Henry faced him down come Raw's end.
The idea being pushed of the WWE Title as the only one to elude Mark Henry is a nice one, but it's also a fallacy. He's never won IC, US, or Tag Team Gold, but I guess they're simply referring to the major titles. By using that logic, I could see Henry winning the title, only to be cashed in on by the winner of the "All-Stars" Money In the Bank Ladder Match. Still, that remains a long-shot to me, as I believe this is the closest Henry will get to the WWE Title.
The set-up here has been nice, as other then Henry's 'retirement' speech, the contact between the two has been minimal, physically and otherwise. The match was set-up nicely there, we know what these two can do, so all they really need is a go-home show promo between the two to hammer home the match.
Ultimately, however, I think this match goes to John Cena. Henry's suffered losses before, so it's not irrational to think he can bounce back from it. With the story being told that this is "John Cena's year", him dropping the title to Henry ends that abruptly, and I'm not sure they've done enough to build to that end. This should be an absolute war, however, and I expect, one of the best matches of Mark Henry's career.
John Cena retains here.