Assertion: copperhead | /r/AtLocation | the sionis steel mill
Facets:
Source sentences:
text: Copperhead first appears in the Sionis Steel Mill, killing some of the Joker's men before attacking Batman as he interrogates Roman Sionis about Joker (who has been posing as Black Mask).
text: Copperhead first appears in the Sionis Steel Mill, killing some of the Joker's men before attacking Batman as he interrogates Roman Sionis about Joker (who has been posing as Black Mask).