The Jersey Mike's Original Italian is a cold sub whose defining feature is a fixed dressing protocol, not a meat list. The phrase that names it is "Mike's Way," and Mike's Way is a sequence: onions, lettuce, tomato, then a red wine vinegar, an olive oil blend, and a finishing dust of oregano and salt, applied in that order and applied last. Five cured items, provolone, ham, prosciuttini, cappacuolo, salami, and pepperoni, are sliced to order and shingled, but the thing that gives the sandwich its particular identity is that the acid and oil go on at the end, directly over the meats and vegetables, so the dress is sharp and present rather than worked into the bread.
The craft is in the slicing and the timing. The meats are sliced fresh per sandwich rather than pre-portioned, which keeps the cured pork pliant instead of dried at the edges, and they are layered overlapping so each bite delivers all six rather than a band of one. The roll is a long Italian loaf with a crust firm enough to carry a heavy, oil-slicked cold load the full length without folding and a crumb soft enough not to fight the filling. The order of the dress is the structural decision: vegetables first so they sit against the meat, then the vinegar, then the oil, then the dry oregano and salt last so the seasoning lands on the surface and reads immediately instead of being absorbed and muted by the crumb. The vinegar's sharpness against the fat of the cured pork is the whole flavor logic, and applying it last is what keeps it sharp.
The variations stay inside the cold long-roll family and mostly change the meats or the heat. A leaner build drops the pepperoni; a hot-pepper relish or sliced cherry peppers push the dress sharper; the same roll under a hot parm or a cheesesteak filling is a different sandwich on the same bread. The cold Italian sits on a broad regional map of subs, heroes, and hoagies that carry the same architecture under other names. Those are codified builds with their own rules and their own partisans, and each deserves its own article rather than being crowded in here.