Marvel cards have reached staggering values in the collector's market. Some rare pieces now sell for tens of thousands of dollars. The 1990 Marvel Universe Black Panther #20 made headlines by selling for over $48,000 in 2022. Like in the same series, the 1990 Marvel Universe hologram card brought in more than $13,000 in 2021. The market's most valuable Marvel trading cards showcase impressive numbers. Jeff the Land Shark SuperFractor #156 (1/1) sits at $14,999.99. The rare Ps