3) Four PCs vs. a warship.
An airship with cannons and a crew of three hundred descends from the sky and starts shooting. The crew hopes to loot the PCs' bodies for their epic treasure. Only the captain and a few officers are a match for the party in a fight, but the PCs will probably destroy the ship first.
That doesn't sound like a whole lot of fun for the players.
When you run a weekly game for 32 YEARS w/the same players,let me know and Ill take DMing advice from youThat doesn't sound like a whole lot of fun for the players.