Marvel-ultimate-alliance-3-the-black-order-nsp-...

: Complete the final trial in the Psi Rift (after Chapter 7).

While most of the 36+ characters unlock naturally through the story mode, four "secret" characters require completing specific trials: MARVEL-ULTIMATE-ALLIANCE-3-The-Black-Order-NSP-...

: Complete the final trial in the Lambda Rift (after finishing the story). : Complete the final trial in the Psi Rift (after Chapter 7)