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After Megatron's defeat, Optimus Prime and the Autobots continue battling the remaining Decepticons, with Starscream and his master still posing a significant threat. Meanwhile, in space, an alien satellite docks with a satellite, leading Soundwave to order Sideways and Demolishor to intercept a NEST convoy. Sideways steals the convoy’s cargo, and Demolishor causes widespread destruction. As Decepticons take control of a NEST gun and target planes, Optimus Prime leaps into action, engaging Decepticon forces in Shanghai while trying to avoid attacks from both the gun and ground-based missiles. After a fierce battle, Prime orders Bumblebee and Ironhide to pursue Sideways and Demolishor, respectively. Ironhide engages in a brutal fight with Demolishor, smashing through Decepticon drones and using his surroundings to defeat the larger foe. After a series of intense confrontations, Ironhide finally destroys Demolishor. Meanwhile, Bumblebee tracks Sideways through the city, engaging in a chase across the rooftops. As Sideways escapes, Bumblebee is momentarily delayed but manages to catch up just as Sideways calls for backup from Soundwave. Despite a fierce battle, Sideways is carried away by Starscream, and Bumblebee reports the failure to Optimus. Starscream attacks a NEST platform, targeting generators that power the shields protecting Megatron's crushed form. After a successful strike, he allows Sideways to enter the platform. However, Megatron is reactivated, and Devastator is sent to Shanghai to cause chaos. Optimus, Bumblebee, and Ironhide are dispatched to stop the massive threat. Optimus engages Devastator, with the help of NEST’s energy canisters, ultimately defeating the colossal Decepticon after a fierce battle. Optimus uncovers a piece of Cybertronian technology buried by Devastator, setting the Autobots on a mission to locate Bumblebee, who is still in enemy hands. As the story progresses, the Autobots face several challenges, with Megatron’s plans escalating, Starscream’s machinations continuing, and battles intensifying across Shanghai. The Autobots, led by Optimus Prime, work tirelessly to stop Megatron’s forces and recover vital technology. The situation becomes increasingly dire, culminating in a final showdown where the Autobots must face their most significant threats yet, leading to an epic conclusion where the fate of the battle and their mission is decided.