Actress Dakota Johnson is reportedly crushed over the scathing reviews of her new flick, Madame Web. Insiders claim Johnson, 34, fears the fantastic flop will have devastating consequences on her future in Hollywood, RadarOnline.com has learned. Despite an $80 million budget and hype over the sci-fi action flick, Madame Web scored a measly 13% rating on Rotten Tomatoes. One critic blasted the film as “a torturous saga that haplessly spins about in circles.” Another sneered, “Madame Web isn’t as bad as you’ve heard. It’s so much worse! Dakota Johnson’s Spidey-adjacent misadventure is the Cats o…