Chris Hemsworth and Tom Hiddleston Bring Smiles to Children's Hospital

— -- Marvel's latest heroes are more than just pretty faces.

"Thor: Ragnarok" stars Chris Hemsworth and Tom Hiddleston spread some smiles Tuesday while spending the day with patients at Lady Cliento Children's Hospital in Brisbane, Australia.

The two met with children and their families, and even brought some props along with them for added fun. Hemsworth posted a photo on Instagram of Hiddleston and himself laughing with a patient as they play with Thor's magical hammer. The hospital also shared some sweet snaps from the day.

Check out the heart-warming photos below.