So, yeah. Reading about it now. It looks like Superman stuff is taking up a bunch of his time (and other projects), so he is passing on the reins. He got to fulfill a major ambition and it went over smashingly.
I wonder if they might bring him back for a movie or two, later.
And Liam looks...
The recap will help. But. When you get deeper, near the end of S2 and there are people & Events from Ciri's past, it won't make as much sense as if you were familiar with S1.
S2 is mostly about Ciri's development.