According to comicbook.com, an early design for Thor?s gladiator armor in Ragnarok is very Jack Kirby.
Marvel Studios artist Aleksi Briclot shared a look at the early design/
?Some early exploration for Thor as a gladiator in the arena in Thor Ragnarok. I?ve already posted some of this here, it?s mainly helmet iterations. The Jack Kirby was a request from the director Taika Waititi who did a tremendous job on this movie.?