Which gaming brand collaboration resulted in a character appearing in another company's game for the first time, breaking decades of platform exclusivity?

The gaming industry has seen some remarkable brand collaborations that have reshaped virtual experiences and created unique crossover opportunities. These partnerships often bring together seemingly unrelated IPs to create something greater than the sum of their parts. Test your knowledge of these groundbreaking gaming crossovers that changed the landscape of interactive entertainment and created unprecedented player experiences.

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Microsoft's Banjo-Kazooie appearing in Nintendo's Super Smash Bros. Ultimate
Sony's Kratos (God of War) appearing in Epic Games' Fortnite
Sega's Sonic appearing in Nintendo's Mario & Sonic Olympic Games
Square Enix's Cloud Strife appearing in Nintendo's Super Smash Bros. for Wii U