Superheroes had a massive invasion in cinemas recently and it is no surprise to see them enter the world of online gambling as well. William Hill is home of all the best Marvel slots games including Captain America, Hulk, Spiderman and the Avengers adn what’s more new customers can get 50 free spins and a £150 bonus. Simply visit the page below to join now: Marvel slots were first released back in 2005, but became extremely popular in the past few years. You can play a number of slots with some of their best-known heroes that are available both for fun and in some of the biggest online casinos out there. You will find games with all the popular faces from the Marvel universe including the Avengers, the Fantastic Four, Spiderman, Daredevil, X-Men and others. The developers behind the Marvel slots series are among the most recognizable names in the industry – Playtech and Cryptologic. They made sure to recreate the themes and storylines of the popular comic books and offer the fans a great experience. All the Marvel slots are five reel games and contain various prizes, special features and bonuses, so players can enjoy lots of different rewards. The games are generally more complicated compared to usual slots, but you can quickly get used to all the surprises and side games. The Marvel slots are available in many online casinos, but one of the best places you can find them is the William Hill casino. You can play games with the Avengers, the Incredible Hulk, Spiderman, the Fantastic Four and others. Just visit the William Hill website, open an account and deposit. You can take advantage of the multiple promotions available such as deposits bonuses, loyalty program and constant free spins offers for maximum value. Besides the Marvel slots, the casino offers hundreds of other games and even a live casino section. The 50 free spins is only available on specific slot games but this includes Marvel favourites such as Iron Man, Spiderman, Captain America, Fantastic Four, The Avengers & Thor.