Costco

Costco Wholesale Corporation is a membership-only retail warehouse club based in the United States.

Over the years, Costco has carried a few exclusive Transformers toys, in addition to the regular mass retail releases. Their exclusives are usually of the "large multi-pack" variety.

List of Costco exclusive toys

Energon

• Overload & Optimus Prime two-pack (redecos of Armada Overload and Optimus Prime)

Cybertron

• Optimus Prime & Ultra Magnus two-pack

These two toys were redecos of Robots in Disguise Optimus Prime and Ultra Magnus. Optimus is, oddly enough, a red redeco of his yellow Sam's Club exclusive Universe toy, while Magnus, a fellow former Sam's Club exclusive, is unchanged.

• Optimus Prime & Wing Saber

These two toys were unchanged from their single Cybertron releases.

Movie

• Optimus Prime with Bumblebee & Autobot Jazz

These toys were unchanged from the single Leader Class Optimus Prime and Legends Class Bumblebee and Autobot Jazz releases.

• Bumblebee with "Special Value" Titanium Series Bumblebee figure

These toys were unchanged from their single releases.

Universe (2008)

• "Ultra Twin-Pack", contains:

• Optimus Prime
• Crumplezone

Both toys were unchanged from their Cybertron releases. Optimus Prime sported the colors of the "Galaxy Force Optimus Prime" redeco.

Revenge of the Fallen

• "Surface to Air Showdown" two-pack (Voyager Class), contains:

• Autobot Ratchet
• Grindor

These toys were unchanged from their single releases.

Transformers (2010)

• Battle Ops Bumblebee with Legends Class Mudflap & Legends Class Premium Bumblebee

Dark of the Moon

• "Optimus Prime vs. Shockwave" two-pack (Voyager Class), contains:

• Optimus Prime
• Shockwave

This set was only available in Canadian Costco stores. While Optimus Prime was unchanged from his single release, Shockwave was redecoed.