Rocket Raccoon

James Marsden's sidekick phase has him collecting new companions all the time.

James Marsden sidekick era

Asking if Loki and Rocket are the best written characters in the MCU #Loki

Loki and Rocket MCU discussion

Caesar, rocket, maurice, and buck make up the ultimate squad

Rocket Raccoon sits on steps, looking at a device with two rodents nearby in a dimly lit scene.