However, there are a few things you can do which could still give you a helping hand, as mentioned above. It doesn't hurt to practice a free version of your chosen online slot before playing for real money, either. This will enable you to get to know the game, learn which symbols trigger what amounts of prize money, and where you might unearth a hidden bonus game or unlock a bounty of free spins.
Up until a few years ago, Playtech was synonymously known for its Marvel Avengers Slots online. They even had some progressive jackpots and with so many people trying their luck, the prize pool was sky high. Their Marvel themed progressive slots were one of the best ways to win real money. Unfortunately, this all changed when Disney withdrew their rights to use the characters. Today, Age of the Gods has taken their place. Again some of their options come with some great progressive jackpots.