The Avengers, Fantastic Four, X-Men, Guardians of the Galaxy, and Defenders vs. Thanos (with Infinity Gauntlet with Six Stones) + BQ?
Fantastic Four: Mister Fantastic, Invisible Woman, Human Torch
X-Men: Cyclops, Storm, Wolverine, Jean Grey, Beast, Iceman, Colossus, Nightcrawler, Archangel, Rogue, Gambit, Jubilee, Havok, Polaris, Psylocke, Emma Frost, Bishop, Forge, Kitty Pryde, and Banshee
Guardians of the Galaxy: Star-Lord, Gamora, Drax, Rocket Racoon, Groot, Nebula, Yondu, and Mantis
Defenders: Daredevil, Jessica Jones, Luke Cage, and Iron Fist
Thanos (with Full Power Infinity Gauntlet with Six Stones: Power, Space, Reality, Soul, Time, and Mind)
Who would win and why?
BQ: Which Marvel Heroes on the list would survive and die after the snap?