new superhero movie “Madame Web” tanked at the box office last week and was overwhelmingly panned by critics.In the film, the 34-year-old actress played the titular character of Cassandra Webb/Madame Web, a clairvoyant paramedic linked to the iconic superhero Spider-Man. “Madame Web” earned only $26.2 million over the six-day holiday weekend from its premiere on Valentine’s Day to Presidents Day, per Variety.“Madame Web’s” debut marked the lowest opening for any film in the Sony Spider-Man universe and one of the worst starts for any movie based on a Marvel Comics character.