Marvel has created many of the greatest superheroes ever, but they didn't create the superhero concept. That accomplishment goes to DC Comics. DC set the stage for how people looked at superheroes from the beginning, and Marvel has often used DC's tropes. However, Marvel doesn't exactly copy DC, setting up a unique universe of its own different. Marvel is known for putting their own spin on things, which is how they've conquered the superhero genre.
Source：https://www.cbr.com/marvel-trinity-vs-dc-trinity/
