Since you have multiple misfire with fuel cutoff, goes away once the engine is warm I would say that it is not an ignition misfire but a weak cylinder misfire. A weak cylinder misfire is when the cylinder doesn't produce the same amount of power as the other cylinders. The computer can determine this quite easily by the rotational speed of the crank once the spark plug has fired for that cylinder. All the other cylinders could be rotating the crank at 700 rpm but one could be rotating it at 650 or 630, etc... You will not notice the difference but the computer wil know.

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