Legion: his name is… second season (trailers).
Here’s some more trailers for FX’s Noah Hawley psychedelic superhero TV series and X-Men(ish) spin-off, Legion.
David Haller (Professor X’s son), a schizophrenia, is trying to evade the U.S. government’s mutant catchers in Division III while fighting possession by evil mutant the Shadow King. Until he reaches a strange medical facility called Summerland which may be secretly backed by Charles Xavier.
The second season, follows up Haller being captured by a mysterious orb, before he returns to Summerland with seeming amnesia and has to continue his war against the Shadow King.