In X-Men: Destiny for the PS3 and Xbox 360, there are some extra costumes for Juggernaut that you can unlock by entering a code on the Start screen.
Xbox 360: At the Start screen, hold LB and RB, then press Down, Right, Up, Left, Y, B
PS3: At the Start screen, hold L1 and R1, then press Down, Right, Up, Left, Triangle, Circle
Check out my other guide for more more unlockable costumes in X-Men: Destiny.