I collect first appearance art and am friends with quite a few others who do as well. I think there is much more discernment than people outside of those circles believe. Most aren’t collecting firsts of low tier or obscure characters. It’s always funny to me when sellers slap those labels on their art trying to sell at premium. KGBeast? Hard pass. When was that character relevant? New character that is allegedly the next big then? Prove it before you ask five figures (this really happens).