USAopoly published the Infinity War promo cards (Scarlet Witch, Thor Team, etc.) back in 2018. They weren't hard to get ahold of and I heard they wouldn't publish anything past this..
Last year for Gen Con they published a new set of promo cards (Ant man Captain Marvel) and republished the promo cards of the year before.
I've noticed that these cards run for around $50 on ebay. I reached out to USAopoly and they told me they have no plans to reprint them.
Should I wait for Upcoming GenCon to see if they will republish them or try to figure out how to custom print these cards?