#2 Roman Reigns vs. Dean Ambrose

Well, irrespective of whether or not the WWE Universe agrees with this feud, a Dean Ambrose heel turn seems imminent at this point. Honestly speaking, the company is highly unlikely to turn Reigns heel, hence a possible rivalry between these two Shield brothers would require The Lunatic Fringe to turn against The Big Dog.
Do note that Reigns, Ambrose and Seth Rollins are presently working together as The Shield--however, the WWE would be remiss to let go off the big-money matchups that'd arise upon pitting Reigns and Ambrose against each other. Moreover, this time around it mustn't be a friendly-rivalry like the battles Reigns & Ambrose had after Rollins turned heel on them.
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No! No! No! The rivalry between Reigns and Ambrose would be better off being portrayed as more serious and personal this time around. Reigns being betrayed by another one of his Shield brothers would truly faze his usual ice-cold mind, which in turn would give Ambrose the mental edge in the rivalry and make for extremely interesting TV...
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