Rocket Raccoon is not available in the vanilla Marvel vs. Capcom
3- he was one of the 12 characters added into Ultimate Marvel vs.
Capcom 3, requiring a separate game purchase.
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5 of them: Groot the Giant Fighter, Drax the Destroyer, Rocket
Raccoon, Star Lord & Gamora the Swordswoman.
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No a raccoon is not a canine. A raccoon is a procyonid.