Once you are opted into the promotion you will not need to opt-in again unless the Enable This Offer button is reenabled. Designed for both desktop and mobile devices, the website allows users to enjoy their favorite games from anywhere, anytime. This offer provides a great opportunity for players to boost their bankroll and try out BetMGM s impressive selection of games. Source: https://my.cbn.com/pg/groups/17464806/marvelbet-the-ultimate-sports-betting-platform-all-you-need-to-know/