From the publisher's website:

Sentinel Tactics: The Flame of Freedom is the hex-grid based tactical combat game set in the world of Sentinel Comics! Go head-to-head in skirmish play, or experience the stories by playing through the included Scenario Books! The Flame of Freedom, which takes the players through the Freedom Five’s interactions with their long-lost ally, Ra, and includes the heroes Legacy, Bunker, Tachyon, The Wraith, Absolute Zero, and Ra, as well as the villains Baron Blade, Omnitron-V, and Citizen Dawn.