Leverkusen had one good year last season, and that's it, nothing more, which is why I am not expecting the whole world from them, doesn't make sense. I believe the best thing right now for them would be figuring out what they could do for the long term because Xabi will leave, Wirtz will eventually leave too, so they need to figure out what they can do after they are gone, not just focus on this season.
Obviously Leverkusen isn't as good as people think they are, and that will be soon apparent to everyone but until then people will have vote of confidence on what they can do. If you ask me, this should be an easy game for Liverpool, they are looking like they are having a whole new level of success these days and I can see them win this one too.
Bayern Leverkusen this season is totally different from the one of last season so I have reduced my expectations from them. They have spoilt my bet twice now with their unnecessary draws one of which they were leading by two goals even in their home. So I have the strong feeling that Liverpool will subdue them in that match because Liverpool is more experienced in champions league and they are in a better form than them.