At the Age of Ultron panel, Marvel was showing off a few covers:

AGEULTRON2013007_Kim_VAR
A
ge of Ultron 7

 

AGEULTRON2013007_Peterson cov
A
ge of Ultron 7

 

AGEULTRON2013008_Peterson cov
A
ge of Ultron 8

 

FEARDEFENDAU2013004cov
F
earless Defenders 4

 

UNCAVENAU2012001COV_col
U
ncanny Avengers

 

AGEOFULTRON10AI
A
ge of Ultron 10 AI

 

AGEULTRON2013009_cov
A
ge of Ultron 9

 

AGEULTRON2013010_Peterson
A
ge of Ultron 10

 

AGEULTRON2013009_Molina
A
ge of Ultron 9

 

AVENAI2013001_cov
A
vengers AI 1

 

AVENAI2013001_cov_VAR
A
vengers AI 1