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Hive is a fictional supervillain appearing in American comic book published by Marvel Comics. Hive was an experiment made to physically embody the ideals of the fictional terrorist group HYDRA. The entity is composed of untold numbers of genetically-engineered parasites.

Hive appeared in the third season of the TV series Agents of S.H.I.E.L.D. where he was an ancient Inhuman and was primarily portrayed by Brett Dalton.

Hive first appeared in Secret Warriors #2 (May 2009) and was created by Brian Michael Bendis and Alex Maleev.

The Hive was created in the HYDRA laboratories in their home base of Gehenna. An unknown and unwitting HYDRA agent was offered/fed to these parasites as a host around which they could merge into a singular being. Grotesque and menacing in both stature and appearance, the Hive had no identity of its own, per se, as its collective will dominate the human host it engulfs. However, it possesses a quiet and cunning intelligence and as a result of its conditioning is completely dedicated to the HYDRA cause to the extent that Baron Strucker appointed it as a figurehead alongside himself, the Viper, Gorgon, Kraken, and the new Madame HYDRA in the form of triple agent Valentina Allegra de Fontaine.

Hive (Marvel) has not been a contender in any CBUB matches.