Marvel Collector Corps June 2017 Theme Spoilers! Posted by Hello Subscription on April 16, 2017. Subscription Box Spoilers / Marvel Collectors Corp Spoilers . The links in this post may be affiliate links. Read full disclosure Save for Later Notification Marvel Collector Corps has announced the theme for the June 2017 Box! The theme will be SPIDERMAN: HOMECOMING! Visit Marvel Collector Corps to subscribe or find out more!