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Old news by this point but I haven't seen it being posted; they're releasing a shoebox for the Suicide Squad wave, and this one has King Shark with the bloody mouth. It has blood alright, but upon further inspection it is a completely different paint appliance, not to mention they're using the BAF version.
This in turn makes it three different variants of King Shark (or four, if you're a toy reviewer who got review copies, or one of the lucky asian toy collectors who got the unmodified copies of the original bloody variant)