There will be a vampire, werewolf and an EP in Chicago on March 19th. According to the WB the trio will be at the Chicago Comic and Entertainment Expo for the first time where they will attend panels and sign autographs for TVD fans.
"The Vampire Diaries" executive producer Julie Plec will join Candice Accola and Michael Trevino for a special panel discussion on the newest vampire and werewolf in Mystic Falls. The Warner Bros. press release teases, "From Caroline's undead vampire awakening to Tyler's bone-crushing werewolf metamorphosis -- don't miss this unique opportunity to connect with the cast and find out what it takes to become immortal." There will also be a special video presentation.
More detailed info is available at TheWB.com