The format may be new, but few would bet against the winner staying the same. As if record 15-time winners Real Madrid's Champions League prospects were not great enough already, superstar striker Kylian Mbappe's arrival makes Los Blancos the most daunting team in the competition.
German side Stuttgart have the honours of facing the reigning kings of Europe in the opening week of the competition, travelling to the Santiago Bernabeu on Tuesday.
Madrid defeated Borussia Dortmund in last season's Wembley final to claim the trophy for the sixth time in the last 11 years.
Coach Carlo Ancelotti, the most decorated manager in the history of the tournament with five triumphs, has not yet found the perfect set-up to get Mbappe firing from open play, but few doubt he will.