There's only been 4 shows to date, but each main event brought something different to the table, here's the list of the main events over the last 4 years, and it's up to you to pick your favorite.
2020: Chris Jericho (champion) vs Jon Moxley for the AEW World Heavyweight Championship
2021: Kenny Omega (champion) vs Jon Moxley in an Exploding Barbed Wire Deathmatch for the AEW World Heavyweight Championship
2022: "Hangman" Adam Page (champion) vs Adam Cole for the AEW World Heavyweight Championship
2023: MJF (champion) vs Bryan Danielson in a 60 Minute Iron Man Match for the AEW World Heavyweight Championship
2020: Chris Jericho (champion) vs Jon Moxley for the AEW World Heavyweight Championship
2021: Kenny Omega (champion) vs Jon Moxley in an Exploding Barbed Wire Deathmatch for the AEW World Heavyweight Championship
2022: "Hangman" Adam Page (champion) vs Adam Cole for the AEW World Heavyweight Championship
2023: MJF (champion) vs Bryan Danielson in a 60 Minute Iron Man Match for the AEW World Heavyweight Championship