Not shitting on Marvel, this is a serious question from someone that hasn't read many Marvel comics.
But what is Marvel's legacy to comicbooks? What's Marvel's most significant achievement aside from the Silver Age?
Nearly every comic regarded as a masterpiece is from DC. Even Alan Moore, Grant Morrison and Neil Gaiman who are regarded as some of the best comicbook writers have the majority of their most significant works in DC.
What makes Marvel relevant aside from the 60's and the MCU?