Jack Black Hilariously Tries Chris Hemsworth's 'Thor' Workout - Watch Now!

Jack Black is working hard on getting in shape for Jumanji 2!

The 49-year-old actor shared a side-by-side video of himself recreating Chris Hemsworth‘s recent workout.

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In the video, Jack struggles to push little weights across the gym floor as he recreates the 35-year-old Thor actor displaying his massive biceps while pushing 40lb weights.

“Mixing it up. Get creative. Keep moving. Variety is key! 💪💪 Who did it better? #ThorWorkout @chrishemsworth,” Jack captioned the below video.

Chris then reposted the video with the caption, “The student has become the master.”

Watch below!