Each of them has an alternative version of Spider-Man, Gwen Stacy and Miles Morales that lives in different dimensions. When their roads cross the Multivers, the two young heroes will have to face a terrible threat together. Contains US episodes: - Spider-man (2016) 12-14 - Spider - Gwen (2015B) 16-23 Unreleased or previously published titles in MARVEL NOW! : SPIDER-MAN 3.