The Sinister Syndicate arrives in @marvel_ffightus to unleash havoc on those who dare stand in their way! Read more on Marvel.com and play… | Instagram
Metagame.com - Take Your Game to the Next Level
Sinister Six | Comic book villains, Marvel, Marvel comics art
Extra-27--Sinister Syndicate by Green-Mamba on DeviantArt
Sinister Suspects by pascal-verhoef on deviantART | Sinister, Marvel spiderman, Spiderman
Marvel HeroClix: Superior Foes of Spider-Man Sinister Syndicate Team | HeroClix