Gladiator Hulk Armor Revealed from Thor: Ragnarok! San Diego Comic-Con has officially kicked off the Saturday festivities and Marvel has revealed a new treat from one of their upcoming films at their booth – the Gladiator Hulk armor from Thor: Ragnarok! Check it out below! Thor: Ragnarok will feature the return of Chris Hemsworth as the God of Thunder himself, with Tom Hiddleston as Loki, Mark Ruffalo as the Hulk, Idris Elba as Heimdall and Sir Anthony Hopkins again portraying Odin.