Hasbro has partnered with Warner Bros.' Scooby-Doo franchise on a new Transformers set called Mysterious Prime and Automutt, priced at $58 and available for pre-order on Hasbro Pulse, with shipments expected around September 1 Engadget.

Mysterous Prime converts from robot mode into the Mystery Machine van—the franchise's signature psychedelic vehicle. Automutt transforms from a box of Scooby Snacks. The set includes four swappable heads for Mysterious Prime, each modeled on one of the Mystery Inc. members: Fred, Velma, Daphne, and Shaggy, plus a small plastic camera accessory referencing the gang's detective work Engadget.

Hasbro Pulse confirms the $58 price and pre-order status, with both sources aligning on timing and cost Hasbro Pulse.

From an engineering standpoint, the swappable-head system is the notable detail here. By letting a single figure body accommodate four distinct character identities, Hasbro avoids creating four separate molds—a cost-efficient approach that maximizes perceived value without expanding the actual parts count. This is standard practice for licensed crossovers: a recognizable IP property reskinned around Transformers' core conversion mechanism, sold initially through Hasbro's direct-to-consumer Pulse storefront rather than traditional retail channels.

This is not Hasbro's first novelty mashup in the Transformers line. The company has previously released NFL helmet-themed robots, an Evangelion-inspired crossover, and a soccer ball-shaped Transformer, per Engadget Engadget. Scooby-Doo continues that lineage of oddball collaborations that trade on brand recognition and nostalgia rather than any continuity with core Transformers canon.

The broader context is a licensing strategy that has gained traction across the toy industry over the past decade: pairing a mechanically mature, high-recognition property like Transformers with tonally unrelated franchises, betting that novelty itself drives adult collector interest more than internal lore consistency. Mysterious Prime and Automutt make no attempt to fit into Cybertronian backstory; the appeal lies entirely in the incongruity of a shapeshifting alien disguising itself as a cartoon mystery van.

Worth noting: at $58, this two-figure set lands squarely in premium collector territory rather than toy-aisle impulse purchase range. This reflects Hasbro's recent pattern of positioning novelty crossovers as adult-collector items sold direct through Pulse before any potential wider retail expansion. Whether that pricing structure persists if the set reaches mass retail remains unclear from currently available reporting.

For collectors and industry observers, the September 1 shipment target places this within Hasbro's broader fall product calendar, though no additional Scooby-Doo or Transformers crossover releases have been confirmed alongside it based on current reporting.