All good things must come to an end–and that includes the production runs of some figures in the extensive line of Funko POP! Vinyls figures. While Funko will often keep certain POP Vinyls figures in production for several years, with the crazy number of new characters they’re producing each year, certain figures need to retire–or go out of production–forever. And on this summer’s list of discontinued items, it’s been confirmed that several Marvel POP! Vinyls are going into retirement. Order the retiring Marvel POP Vinyls soon if you’re missing them, because retired Funko POP Vinyls can get very pricey on the aftermarket…