Batman, Black Suit, Black Cape and Cowl, Yellow Batman Logo (56630 Cape) (3626b Head), 55704 Cowl

Comes in 4 sets, made of 5 parts. The lowest-priced set it comes in is 853431 Super Heroes Magnet Set (RRP £9.99).

Check the minifigures carefully when buying a used set: they're part of its grade.