Suggestions by @AutobotSonicFan

Captain Gutt

as Villains in Who could fight Thanos in hand-to-hand combat?

Grug

as Dreamworks in Who could fight Thanos in hand-to-hand combat?

Jedi Master Yoda

as Popular franchises in Who could fight Thanos in hand-to-hand combat?

El Macho (Eduardo Perez)

as Villains in Who could fight Thanos in hand-to-hand combat?

Hulk (MCU Character)

as Marvel in Who could fight Thanos in hand-to-hand combat?

The Hulk (Bruce Banner)

as Marvel in Who could fight Thanos in hand-to-hand combat?

Spoiler

as Who does Thanos fear the most? in Who could fight Thanos in hand-to-hand combat?

Spoiler

as Who would die to the final level? in Who could fight Thanos in hand-to-hand combat?

Spoiler

as Who would die to Level Five? in Who could fight Thanos in hand-to-hand combat?

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as Who would die to Level Four? in Who could fight Thanos in hand-to-hand combat?

Spoiler

as Who would die to Level Three? in Who could fight Thanos in hand-to-hand combat?

Spoiler

as Who would die to Level Two in Who could fight Thanos in hand-to-hand combat?

Spoiler

as Who would die to Level One? in Who could fight Thanos in hand-to-hand combat?

Master Shifu

as Dreamworks in Who could fight Thanos in hand-to-hand combat?

Master Viper

as Dreamworks in Who could fight Thanos in hand-to-hand combat?

Master Mantis

as Dreamworks in Who could fight Thanos in hand-to-hand combat?

Master Crane

as Dreamworks in Who could fight Thanos in hand-to-hand combat?

Master Monkey

as Dreamworks in Who could fight Thanos in hand-to-hand combat?

Master Tigress

as Dreamworks in Who could fight Thanos in hand-to-hand combat?

Master Po Ping

as Dreamworks in Who could fight Thanos in hand-to-hand combat?