Upper Deck unveiled Messiah Complex, a new expansion for Marvel Legendary, which will release in Q2 2022.

This new Marvel Legendary expansion is based on the popular Marvel crossover story arc of the same name (see "'Astonishing X-Men: Second Stage'"). Players join the surviving mutant heroes, post-mutant decimation, and battle new Masterminds and Villains. Their goal is find a prodigal child before the evil characters do, and give mutants a hope for the future.

This is a deluxe expansion with 200-cards that features the return of sidekicks. It comes with 8 Heroes, 3 Masterminds, 4 Villain groups, 2 Henchmen groups, 4 Schemes, 7 Special Sidekicks, and 3 Special Bystanders.