Tom Hiddleston surprised fans with an appearance in character as the master of mischief, Loki himself, during Marvel Studios’ Hall H presentation at San Diego Comic-Con! Subscribe to Marvel: http://bit.ly/WeO3YJ Keep up with Marvel on: TWITTER: https://twitter.com/marvel FACEBOOK: http://www.facebook.com/Marvel TUMBLR: http://marvelentertainment.tumblr.com/ INSTAGRAM: http://instagram.com/marvel GOOGLE+: https://plus.google.com/+marvel/ PINTEREST: http://pinterest.com/marvelofficial/