Chris Hemsworth flexing his muscles in the gym is almost too much to handle

Those guns!

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Chris Hemsworth took to Facebook to jokingly rant about the fact that Thor didn't get invited to make an appearance in Captain America: Civil War.

"Where was the invite for me and Hulk?" panted Chris, 32, as he flexed his muscles while doing pull-ups. "Just leave two of the strongest, biggest Avengers out of this one did you?"

Chris Hemsworth showing off in the gym. Photo: The Russo Brothers Facebook

Chris said without Thor and Hulk, the battle between Captain America and Iron Man is basically a "kids' fight."

This is all well and good but we can't concentrate on anything when Chris is flexing is biceps like that.

Chris Hemsworth has been known to flash his rig from time to time. Photo: Getty

"Let us know when you're done messing around and the big boys will step in," he said, dropping an arm to show off his single-handed pull-ups.

Chris Hemsworth and his guns. Photo: Getty

You're just showing off now, Chris!