ULTRON (2012)
art by George Perez 
from chica729

ULTRON (20 Jun 2015)
art by George Perez at AMAZING LAS VEGAS COMIC CON 2015
from rff7706

ULTRON (Jul 2015)
art by George Perez
from 
sarowfloww

ULTRON (11 Apr 2015)
art by George Pérez at COMICS AND PAPERBACK PLUS (Signing)
from amea4682

ULTRON (19 Sep 2014)
art by George Perez at CINCINNATI COMIC EXPO 2014
from pirate2323 

ULTRON (Aug 2014)
art by Perez at CONNECTICUT COMICONN 2014
from Inkwell Awards

ULTRON (Mar 2014)
art by Perez at MEGACON 2014
from Jason Abbadon

ULTRON (2013)
art by George Pérez
from Gabriel Rodriguez

ULTRON (2008)
art by George Pérez

ULTRON (2013)
art by George Pérez, colors by Tom Smith
from Troy Emmi

ULTRON (2013)
art by Perez & Joe Rubinstein, colors by Tom Smith
from Francis Chervenak

VISION AND ULTRON (Sep 2013)
art by George Perez at BALTIMORE COMIC-CON 2013  

ULTRON (2013)
art by George Perez
from Kevin Canlas

ULTRON (2013)
art by George Perez
from rff7706

ULTRON (2013)
art by George Pérez
from onestopcomic

ULTRON (2013)
art by George Pérez
from Donald Munsell

ULTRON (Apr 2013)
art by George Pérez at BOSTON COMIC CON [Canceled]

ULTRON (2012)
art by George Perez
from George Stasky

ULTRON (1978), art by George Perez, from Perez Fan

ULTRON (2009), art by George Perez. From Kevin Moorhead

ULTRON UNLEASHED , From Tom Smith, via AMB, published in AVENGERS: ULTRON UNLEASHED

ULTRON (2002), Commissioned by Rich Cirillo