Chris Hemsworth gave fans a rare glimpse of his twin sons on Monday.
"My son said to his brother 'Tristan hold my hand so you don't get eaten by a crocodile' #mykids #littlelegends @australia #byronbay," he captioned the snapshot for his 9 million Instagram followers.
The "Thor" star and Pataky, who married in 2010, are also parents to 4-year-old daughter India Rose.
The family returned to Australia last week, and have since enjoyed an outing to their favorite swimming hole.
Hemsworth and Pataky, a 40-year-old Spanish actress, moved to Australia in 2014.
Pataky said in an interview with the Herald Sun in October that the move was "the best thing" she's done in her life.
"We are trying to be normal people ... [with] no photographers and people following you," the star explained.
"We live on a property in the mountains in the middle of nowhere, so we don't have that problem anymore, and that's what we wanted."
Hemsworth will next star in "Thor: Ragnarok," which opens in theaters Nov. 3.
He is also slated to reprise Thor in "The Avengers: Infinity War," which co-stars Robert Downey, Jr., Scarlett Johansson, Chris Pratt and Benedict Cumberbatch.