Comic Con 2010 has fans of superhero movies abuzz? Twitter says so, as with the following samples:

1. 
MarvelMistress

  

Captain America! Captain America and Thor Comic-Con Movie Posters Create a Buzz ... http://bit.ly/bzEEb8 #marvelcomics

 2. 
dudeman718

  

/@mtvsplashpage: Comic-Con 'Thor' And 'Captain America' Posters Debut! http://bit.ly/c11eLw 

3. 

Geekhangover

  

Thor and Captain America concept art from Comic-Con http://www.geekhangover.com/news/2010/7/21/thor-and-captain-america-at-comic-con.html  

4. 

dcumoviepage

  

RT @slashfilm High Resolution: Thor and Captain America Comic-Con Posters | /Film http://bit.ly/bOLGIX

5. 

overoll

  

Comic-Con 'Thor' And 'Captain America' Posters Debut!: MTV.com | We've touched down in San Diego for Comic-Con 201... http://bit.ly/bXiFwr