Quoted By:
This exact thing happened in the SWSH DLC which revealed some returning Pokemon in the Crown Tundra back when the Isle of Armor released, so this is likely a similar situation.
PLA:
kleavor
wyrdeer
gen 8:
morepeko
indeedee
runerigus
mr rime
sirfetch'd
perrserker
grapploct
clobbopus
toxtricity
toxel
thievul
nickit
corviknight
corvisquire
rookidee
LGPE:
melmetal
meltan
gen 7:
zeraora
marshadow
magearna
mimikyu
palossand
sandygast
golisopod
wimpod
crabominable
crabrawler
gen 5:
genesect
meloetta
keldeo
virizion
terrakion
cobalion
golurk
golett
cryogonal
amoongus
foongus
cofagrigus
yamask
sawk
throh
musharna
muuna
liepard
purrloin
gen 4:
darkrai
heatran
rotom
porygon-z
mime jr
chingling
staraptor
staravia
starly
