During Gamescom today, Psyonix revealed special Nintendo themed cars for the Switch version of Rocket League, of which Samus’ Gunship is one of.
The vehicle will be free unlockables for everyone who plays the game at launch. Orange team players get the default colour scheme, while blue team gets a “classic” variation. The gunship also has a Wave Beam themed Rocket Boost too.
View the trailer for it and the Mario and Luigi themed cars here.
Source: Rocket League Official Website