Hanna Barbera: Infinity War (Can these Hanna Barbera super heroes replace the Avengers and stop Thanos from doing the snap?)

Thanos is surprised to see instead of the heroes of the MCU, the heroes of a different multiverse appear to stop him. They are:

Atom Ant

Birdman

Blue Falcon and Dynomutt

Captain Caveman

The 1987 Animated Fantastic Four

The Galaxy Trio (Vapor Man, Meteor Man, and Gravity Girl)

The Herculoids (Zandor, Zok, Igoo, Tundro, Gloop and Gleep)

The Impossibles (Coil-Man, Fluid-Man, and Multi-Man)

Mighty Mightor

Samson and Goliath

Space Ghost

Wendy, Marvin, Wonder Dog, The Wonder Twins, Gleek, Apache Chief, Black Vulcan, Samurai, El Dorado (Super Friends)

The rest of the Super Friends start the battle incapacitated but can be revived if needed to win.

All characters are strictly as depicted in their respective, original cartoons