Marvel's She-Hulk was its first fourth-wall-breaking superhero - Polygon
To those who didn't expect the fourth wall break in the She-Hulk finale to be that meta ... here's the instances of her doing the same in comicbooks ... : r/marvelstudios
How She-Hulk Smashed the Fourth Wall (Before Deadpool)
She-Hulk finale smashes the fourth wall in the show's biggest comics Easter egg - Polygon