From the Press Release:

Help Spider-Man win “the battle within” by catching Venom, Sandman, and New Goblin in his web! Players are given the power to sling their own webs by placing see-thru web cards atop villain cards of their choice. The color of the web must match the color of the border of the villain card. It takes four web cards to close the web and capture the villain. Rules include a Speed Version for advanced players. For 2-4 players, ages 6 and up.