Natasha Romanoff's Wavy Copper Hair The copper hair colour has already seen a huge revival in recent months thanks to Black Widow, but if you're looking a for a low commitment way to dress up as the character this Halloween, try investing in a copper wig (£16) for the night or some temporary hair colour (£6) if you're feeling especially adventurous. Image Source: amazon.co.uk copper wig £16 from amazon.co.uk Buy Now temporary hair colour £6 from boots.com Buy Now