Characters can quest to gain lore or challenge other characters, but not on the turn they are first played
The other two - Mickey Mouse, Friendly Face and Elsa, Gloves Off - will be included in Rise of the Floodborn when it releases on November 17th
You won't find value in it every game, especially if you're effectively controlling the board with all of your direct damage tools, but if you find it at just the right time you can gain a two, three, or even four lore instantly, which is often enough to close out a match in a deck like this
However, were just about the get our first rotation, where the first four sets of the game wont be legal to play in competition
Hades' gleeful, villainous expression is perfectly fitting for his character.