After an intense battle with Doc Ock, Spidey and his pal Miles Morales accidentally scare a cat named Mittens, sending her scampering into the city. As our heroes desperately try to catch the runaway feline, Miles teaches Spidey to learn from his mistakes.

When Spidey and Ms. Marvel both show up to stop a bank robbery, they have to put aside their differences and work together to take down the evil Electro!