UPDATE: Michael Pena May Join Marvel's 'Ant-Man'

The Wrap is reporting that Michael Pena (End of Watch, Gangster Squad) is in negotiations to join Edgar Wright's Ant-Man. He will join Paul Rudd and Michael Douglas as Scott Lang and Hank Pym respectively. The Hollywood Reporter also add that filming will begin in April and not May like previously reported

Ant-Man is gearing up for an April start, btw.
— Borys Kit (@Borys_Kit) January 14, 2014

Unknown what role its for so stay tuned...

:: UPDATE :: - 
Pena is possibly up for a villain role named Castillo via The Infamous