Liverpool is able to defeat runner up of last season that shows how strong they in this season. You are right, it's just the start and we can have clear picture about strength of teams as the tournament progresses. I don't think Man City is threat to Liverpool as Man City has lost two games at very beginning of the season. The match between Chelsea and Liverpool will be interesting, Chelsea has conceded just one goal in its three games and that shows how strong there defence is while they have scored seven goals.
Liverpool continues to prove their squad is one of the best, just like last season. Arne Slot has maintained the team's strength despite several changes in defense. This has actually made Liverpool's defense a bit unstable. Honestly, Liverpool's defense has actually declined slightly compared to last season. But this is offset by the team's impressive goal scoring ability, allowing Liverpool to still win every match they play.
Meanwhile, Chelsea boasts a fairly solid defense. But I don't know if their defense will remain solid if they face a strong team like Liverpool. However, judging by their results in preseason and the Club World Cup, Chelsea are certainly not a team to be underestimated. This team not only boasts promising young players, but also possesses a strong fighting spirit and a proven strong mentality. So, Liverpool will likely have a tough time facing Chelsea. Likewise, Chelsea will have a tough time facing Liverpool. Fortunately, that's still a long way off. So, both teams will certainly gauge each other's strengths through the upcoming matches before they finally meet.