Pay attention to the Elektra casino slot machine. Marvelous female superhero is a Wild symbol, which substitutes for all other, except Scatter. Actually, Elektra plays as a Scatter. Having got 3 Scatter icons on the payline, you activate a Bonus round. When the Wild icon appears on reels 2, 3 or 4 it turns into an Expanding symbol. Every square covers the symbol among 4 stages. This bonus slot machine multiplies your payouts in the way of interesting mini-games.