[Source 1]
[Source 2]
[Source 3]
[Source 4]

Plot:
Will he save their world or destroy it? When the Hulk becomes too dangerous for the Earth, the Illuminati trick Hulk into a shuttle and launch him into space to a planet where the Hulk can live in peace. Unfortunately, the Hulk’s struggle to escape makes a malfunction in the shuttle causing Hulk to land on the planet Sakaar where he is sold into slavery and trained as a gladiator.