Existing Marvel Unlimited members who have purchased their membership via Marvel.com are able to upgrade their current membership to a Marvel Unlimited Annual or Marvel Unlimited Annual Plus membership.
To upgrade your membership, visit the Marvel Unlimited Membership Management page, select “Upgrade Membership” and follow the instructions on the page.
The upgraded plan will begin on the next scheduled renewal date for your existing plan. To upgrade immediately, please contact Marvel Customer Support at help.marvel.com.