Nicolas Cage named his three year-old sun Kal-El after Superman, and he’s passed his love of comics on to his son!


During a visit to the set of The Sorcerer’s Apprentice, Nicolas, 45, began playing "The Incredible Hulk" with his little son, a source tells OK!.


The actor began saying to Kal-El, "Exposed to a blast of gamma rays, he becomes … THE HULK!" while father and son growled and roared and mimed transforming into the raging superhuman green giant together.


"It was really adorable," says the onlooker.

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