Marvel Contest of Champions is free to download and play, but it includes optional in-app purchases for additional content and features.

Yes, Marvel Contest of Champions requires an internet connection to play, as it involves online multiplayer features and content updates.

Players can contact support or send feedback through the in-game support feature or by visiting the official Marvel Contest of Champions website, where they can find additional resources and contact information.

Players can manage or cancel their Marvel Contest of Champions subscription through the app store settings on their mobile devices, where they can view and modify their subscription preferences.