The latest Apocalypse World 2E preview lists five essential threats:
ESSENTIAL THREATS
• Where the PCs are, create a landscape.
• For any PC’s gang, create brutes.
• For any PC’s other NPCs, create brutes, plus a grotesque and/or a wannabe warlord.
• For any PCs’ vehicles, create vehicles.
• In any local populations, create an affliction.
Are there other threats that you find essential in your games?
For any love interest, create a foil
I guess that’s the only one