You couldn't have known

Perform 10 Team Slingshots in a single Race.

Cause an opponent to spin-out using a Red Burst.

Perform a Team Ultimate 3 times in a single Race.

Perform Team Item Transfer, Skimboost, Team Slingshot and Team Ultimate in a single Race.

Complete your first cup

It's not the big bad wolf you have to worry about

Put an end to Bebop and Rocksteady's run in Story Mode.

Destroy 200 breakable objects.

Consume a healing item.

Throw 16 enemies toward the camera.

Deflect 10 projectiles.

Correctly answer 10 questions of each Trivial Pursuit category type.