Warning: Contains SPOILERS for The Walking Dead
Mercer is in charge of keeping The Commonwealth secure, but a change in his zombie name terminology points to a bigger shift for his The Walking Dead character. As big and bad a man as Mercer (Michael James Shaw) has shown himself to be — making it clear why he was chosen to keep the community safe — it's been apparent since early on that he's not simply mindless muscle. Mercer appears to be growing disillusioned with how The Commonwealth is run, and how corrupt its leadership has become, as well as his role in maintaining that corruption.
At the same time, it's not hard to see why Mercer is, for now, mostly continuing to play his role. As Lance Hornsby made clear to Carol in The Walking Dead season 11, episode 14, «The Rotten Core,» The Commonwealth system only works when everyone involves plays the parts they've been assigned. Those that refuse to do so experience brutal repercussions. With such a governing philosophy, it's no wonder that a rebellion is brewing within The Commonwealth.
Related: Walking Dead: Maggie's Hershel Reference Is What Season 11 Needs More Of
The question now is what part in the coming revolution against the government of The Commonwealth that Mercer might play. While he doesn't seem to have crossed the point yet where he's outright working against Hornsby and Pamela Milton, «The Rotten Core» provided a subtle clue that he's getting closer to it. When trapped inside the cash-filled house with Daryl, Carol, and Rosita, Mercer remarks on there being way more "Walkers" outside than they have ammunition for. His usage of that particular term is more significant than it might first seem to be, as it would seem to align him with several other
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