Spider-Man: How many attacks does Webbed Up prevent? [Second], does Webbed Up prevent Spider-Sense from triggering?

Two attacks in total. Webbed Up prevents the attached enemy’s very next attack by replacing that attack with the placement of a stun status card. Then, the stun status card will prevent that enemy’s following attack. [Second], yes. Webbed Up’s ability is a replacement effect (indicated by the word “instead”), meaning the attack never initiates

-Official FAQ (1.1)