This article contains major spoilers about the ending and post-credits scene in “Sonic the Hedgehog 3,” now playing in theaters. Just like the ending of the first two “Sonic the Hedgehog” movies, the third installment sets up the fourth movie — coming to theaters in 2027 — with a surprise cameo.

With each Sonic film, Paramount has drawn closer inspiration from Sega's game series, teasing characters in each post-credits scene to set up the next. That's no different with the release of Sonic the Hedgehog 3.

Yes, that fans are still buzzing about this scene, introducing none other than Shadow the Hedgehog, voiced by Keanu Reeves, no less. Yep, the man who