What movie do Nick and Marta claim they are going to see at the mall?

The correct answer is based on the context provided in the narrative, where Nick and Marta express their intention to see a fictional movie at the mall. "Spider Man 7: Revenge of the Web Slinger" stands out as a humorous and exaggerated continuation of a well-known franchise, fitting the typical playful tone often found in stories involving characters heading to the mall. The other movies listed, while popular, do not align with the fictional context that Nick and Marta are likely to reference. The specific title suggests that it is a lighter, comedic take on the superhero genre, which may resonate more with their character dynamics and the overall setting of their outing.