After Loki S2, TVA returned to monitoring all the multiverse, which are other ''trees''. 616 is a tree, because Loki was inspired by Yggdrasil, that's why Paradox was monitoring FoX-Men universe.
Yeah, I've considered that. It's an interesting perspective when you get into the details.
Blade (New Line Cinema) Tree
Earth-26320 (Blade Trilogy)
Earth-42222 (Darkhold: Blade (Comic Book))
X-Men Universe Tree
Earth-10005 (X-Men Universe: Original)
Earth-17040 (Legion)
Earth-17315 (X-Men Universe: Revised/Logan)
Earth-17372 (The Gifted)
Earth-18315 (X-Men Universe: Original/Deceased Weapon XI)
Earth-19264 (Legion: Revised)
Earth-66250 (X-Men Universe: Revised/Cable)
Raimiverse Tree
Earth-21913 (Spider-Man Games XB/PS)
Earth-61463 (Spider-Man 2 PC)
Earth-71002 (Spider-Man: Friend or Foe)
Earth-72222 (Spider-Man Video Games GBA)
Earth-82232 (Spider-Man (2002 Video Game) Green Goblin Mode)
Earth-96283 (Spider-Man Trilogy)
Earth-760207 (Spider-Man: The New Animated Series)
(Daredevil Duology Branch?)
The Punisher (2004) Tree
Earth-50116 (The Punisher (2005 Video Game))
Earth-58732 (The Punisher (2004 Movie))
Marvel Cinematic Universe Tree
Earth-16828 (Team Thor)
Earth-17516 (Destroyed Earth)
Earth-21818 (T'Challa Star-Lord)
Earth-29929 (Infinity Ultron)
Earth-32938 (Killmonger Kills Tony)
Earth-51825 (Avengers Assassinated)
Earth-72124 (Party Thor)
Earth-82111 (Captain Carter)
Earth-89521 (Marvel Zombies)
Earth-91233 (Doctor Strange Supreme)
Earth-199999 (Marvel Cinematic Universe)