Red King

Angmo-Asan II, better known as the Red King is the son of Angmo, the Father Emperor of Sakaar, who was the Imperial soldier turned warlord whose exploits united the nations of Imperia during the Wars of Empire and saved the planet from alien invasion during the Spike War. After his father died, Angmo II ascended to the throne and took the name "Red King".

Planet Hulk
After the capture of Hulk on Sakaar, he meet the Red King. Hulk try to attack him, but the Red King deafet him with is giant robotic suit.

After Hulk become the most popular gladiator, the Red King dislike is popularity, so he sent fihting the Silver Surfer.

Hulk and the Warbound begin a war on Sakaar the Red King sent Caiera to deafet the Hulk until he sent Spikes to Caiera to kill the Hulk.

Death
At the final battle, Hulk punch the Red King. He finally die, killed by savage killer robot!

World War Hulk
Even the Red King death, he appear as a recap of Planet Hulk.