The small red spots on mine don't bother me much but I think gmoney5000 makes a good point: the longer these figures are in the box, the worse that staining is likely to get. If someone picks up a Star-Lord in a few months' time, or buys an unopened one from a reseller later, who knows what they might find. If there is another batch of Star-Lords yet to be packed and shipped, it might be worth letting Hot Toys know that at the very least there is a potential issue here, so they can slap some plastic round those necks.
I never thought I would, in my life, type the words, 'I think gmoney5000 makes a good point', in complete earnest, but that's internet forums for you, and this is the world we live in now. Spangles! Say something clever. I want to type, 'As the erudite Spangles makes clear ...'