Found 14th Dec 2015
Loads of POP! Vinyl bobble heads 1/3 off at Sainsburys Wolverhampton. The offer is on the website too so I guess it's nationwide. There was Superman, Batman, Ironman, Hulk, Spider-Man, Olaf and Elsa from frozen plus more. Also Starwars stormtrooper, chewbacca and Kylo Ren for £8. Normally all £10.