How 'Aquaman's' $1 billion windfall is helping to lead the box-office charge of 'B-list' superheroes

With DC Entertainment's "Aquaman" nearing $1 billion in global box-office receipts after less than a month — and Marvel Cinematic Universe's "Black Panther" already topping that watermark in 2018 – evidence is mounting that superhero movies are being steadily reshaped by a new era of lesser-known heroes who are resonating with audiences.