The rap is performed over the Skyrim theme tune that we all know and love, and in the background we also see plenty of gameplay that has previously been teased in previous footage of the game. (product-reviews.net)
As we see in the spot, and in previous footage released for the film, Spider - Man will meet big figures in the Marvel Cinematic Universe, including Doctor Strange, Star - Lord, and Drax. (cbr.com)
Based on previous footage, the amiibo set, and new official artwork, it's likely these characters will take the unlockable slots: (mariopartylegacy.com)