A contest got the designers of Mr. Jack 137 ideas for new characters. Out of those 137 two were chosen:
The expansion contains these 2 new characters and 3 others designed by Bruno Cathala and Ludovic Maublanc:
Marvel Champions Hero Pack
Varies
Guesstures - $12.99
Harry Potter and the Sorcerer's Stone Trivia Game - $35.99
Oceania - $11.00
Hot Words - $12.99
Wits and Wagers Party Edition - $14.99
Gently Played Games
Varies