Venom (2010 Marvel Animated Universe)

Venom is a villains from the Ultimate Spider-Man animated series.

First Venom
Venom was created by Doctor Octopus using Peter Parker's blood sample. Venom then possesses Peter Parker's friend Harry Osborn as it's host.

Second Venom
A New Venom Symbiot is created by Doctor Octopus with the help of Loki (who at the time was in Spider-Man's body until they switch back) and is mass produced to take control of the asgardian creatures until Spider-Man and his allies stopped the army of venom.

Eventually a Venom sample shows up covering a tooth of monitor where Jonah Jameson is broadcasting his propaganda about Spider-Man and Spider-Man extracts the sample until Scorpion under the control of the Venom Symbiot attacked Spider-Man and then Flash Thombson (under the Scarlet Spider identity) helped Spider-Man and then Venom tries to go to Flash until Spider-Man extracts Venom off of Scorpion though a piece of it is not extracted and bonded with Flash.