How the idea of the Marvel interconnected universe – where heroes would crossover or “guest star” in each other’s books – first occurred in...
How the idea of the Marvel interconnected universe – where heroes would crossover or “guest star” in each other’s books – first occurred in the teen comics for girls – with characters like Patsy Walker, Millie the Model, Kathy Carter and others.
How the idea of the Marvel interconnected universe – where heroes would crossover or “guest star” in each other’s books – first occurred in the teen comics for girls – with characters like Patsy Walker, Millie the Model, Kathy Carter and others.