Los Angeles (AFP) – Marvel and Disney’s “Doctor Strange in the Multiverse of Madness” saw a sharp dropoff this weekend from its blockbuster opening, but still reported $61 million in estimated ticket sales to top North America’s box office, industry watcher Exhibitor Relations said Sunday. The superhero sequel, again starring Benedict Cumberbatch, had opened last weekend to a year’s best $187 million. It has now earned $292 million domestically and an additional $396 million abroad for a global total of $688 million. Far behind in second place for the Friday-through-Sunday period was Universal…