Honestly , Leverkusen is playing so smooth that I wouldn't be surprise to see them in the finals or even winning it because right now they seem to be one of the first candidates alongside Liverpool to win the trophy this year.
It would be great if we could see the final between Bayern Leverkusen vs Liverpool, right? I know it's still too early because when enter the knockout round everything can change a lot, and in that round teams can't make mistakes that could result in them being eliminated, but if the two favorite teams continue to perform well then this will be an ideal final and very interesting to watch, but I still favor Liverpool to win the European League this season, maybe the feel not the same when winning the champions league but at least it's better because ending the season without a title is very unpleasant.
That would definitely be something of a high quality without a doubt. Normally there is no way that I would say it is possible because everyone ends up losing to a team that they shouldn't, or they face each other earlier on, like they could see each other as early as quarter finals and that is why there may not be a finals, but if it somehow happens by luck, then I think it is going to be a great one to see.
Both teams are doing great this season and both of them are known to be nearly guaranteed to go to UCL next season as well, so that is a good thing to be able to see them on the finals. I still think that it's low odds though, either one of them will lose due to unlucky games, or they will just simply face each other earlier than finals.