Scorpion

Mac Gargan first appears in Spider-Man:The Movie in a sewer being chased by mechanical spiders.Spider-Man (or Green Goblin II) have to help him survive.After they are done,Scorpion betrays Spidey and fights him.He is defeated and escapes when Spider-Man isn't looking.He is shown to have a irrational fear of spiders.In Spider-Man 3,He is a victim rather than a supervillian.He is mindcontrolled to rescue Rhino and fight Spider-Man.When he is set free from desroying mind control towers,he seeks revenge.Spider-Man forces him to wait for his [Spider-Man] help.When he is ready,the two sneaks around Mechabiocon Labs to find Dr. Andrews and exact revenge.They end up fighting Rhino and defeating him.After the battle,Scorpion chases away Dr. Stillwiel,believing he is still a monster and leaves.He reappears in Spider-Man:Friend or Foe,he is encountered and defeated in a lava pit.He also joins the battle against the P.H.A.N.T.O.M.s.He is said to be more effective in mind control and he can walk thru force fields without damage.