Super Battle Droid

Super Battle Droids or B2 Super Battle Droids were part of the B-series Battle Droids used for the Separatists during the Clone Wars era. They made a huge comeback in Star Wars: The Last of the Droids helping their leader TF-1726 end the war. Super Battle Droids carried blasters on their arms. Newer upgraded versions of the Super Battle Droids were B2-HAs that had a warhead missile launcher on their left arm.

Variants
Super Battle Droids came in different variants:
 * B2-HA: A Super Battle Droid with a warhead missile launcher on the left arm.
 * B2-HA Commander: A B2-HA that commands an army of Battle Droids and other Super Battle Droids.
 * Super Battle Droid Rocket Trooper: Super Battle Droids painted red and white that could fly with a jetpack and were taller than regular Super Battle Droids.

Mustafar
Super Battle Droids were first created with Battle Droids on Mustafar. A Super Battle Droid talking to a Battle Droid as they walked over the bridge with lava under it. The Super Battle Droid said to shut up and keep moving on.