The 27-year-old victim and another man, both from Redhill in Surrey, had been watching Straight Outta Compton at Cineworld, at Crawley Leisure Park.
Two men in their 20s, both from London, been charged with possessing an offensive weapon, assault and GBH with intent.
Both are due to appear at Lewes Crown Court on 9 October.
The assault happened between 01:00 BST and 1.30 BST on 30 August in the leisure complex car park.
Two men have been charged after a man had acid thrown over his head outside a cinema in West Sussex.