New Paldean Fates Booster Bundle drops February 23 with six booster packs.

Source: https://bleedingcool.com/games/pokemon-tcg-paldean-fates-product-reveal-booster-bundle/

While Paldean Pokemon can spawn in Kitakami, Kitakami Pokemon will not appear in Paldea, even the Teal Mask content.

Source: https://gamerant.com/pokemon-scarlet-pokemon-violet-tips-for-completing-the-teal-masks-kitakami-pokedex-how-to-complete-kitakami-pokedex/

While there are a number of Pokemon programmed into the games that are not available to be captured and are not part of the Paldean Pokedex, there is no indication that Gloom, Cottonee, or Helioptile are coming to the games.

Source: https://gamerant.com/pokemon-scarlet-violet-get-sun-stones-guide/