The default settings for the World Cup mode will see your chosen team being pitted against the same opponents that they'll be facing in June, but you'll also have the option to randomize the groups or switch some of the teams around manually. You can even move teams that failed to qualify into the final 32 if you wish, provided the team in question is one of the 127 (there are 205 teams in FIFA's world rankings) that made it into the game FIFA 23 coins.
If you choose to play in a qualifying competition, you'll likely have a squad of around 40 players to choose from before each match. When you head to the finals, though, each team is only permitted a squad of 23, so you'll have to decide which players are making the trip to Germany and which ones you'll be leaving at home. The default squads of 23 that we looked at seemed to check out as far the rosters were concerned, but it's good to know that you'll have the option to update them once the real-life lineups are announced or that you'll be able to include one or two of your favorite players.
When playing in the World Cup finals, every match in 2022 FIFA World Cup is preceded by some really impressive shots of the accurately re-created stadiums which are, of course, full to capacity with supporters releasing balloons and such. You can skip all of the TV-style prematch stuff if you like, but we definitely felt that it added something to the whole experience of the game by emphasizing just how important every single match is to the fans and to the players involved buy FUT 23 coins.