The roadblock is that Blade already fought vampires so it feels like a retread. The natural sequel progression is for Blade and vampires to form a truce against an even worse mutual enemy, leprechauns
BrendelI feel like what makes Marvel fumbling the Blade movie extra wrong is that around 80% of guys have an idea for a Blade movie that, while terrible, would work for a Blade movie because Wesley Snipes would be karate fighting vampires during it