Homage: Batman #423 / Spawn #230

Title: Batman #423	Title: Spawn #230
Publisher: DC Comics	Publisher: Image Comics
Cover date: 1988	Cover date: 2013
Artist: Todd McFarlane	Artist: Todd McFarlane

Homage: Spawn #200 / Spawn #220

Title: Spawn #200	Title: Spawn #220
Publisher: Image Comics	Publisher: Image Comics
Cover date: 2011	Cover date: 2012
Artist: Todd McFarlane	Artist: Todd McFarlane

The Amazing Spider-Man #300 Homages

Title: The Amazing Spider-Man #300	Title: The Amazing Spider-Man #301
Publisher: Marvel Comics	Publisher: Marvel Comics
Cover date: 1988	Cover date: 1988
Artist: Todd McFarlane	Artist: Todd McFarlane

Title: Spider-Man	Title: Marc Spector: Moon Knight #57
Developer: Technopop	Publisher: Marvel Comics
Release date: 1990	Release date: 1993
Artist:	Artist: Stephen Platt

Title: Heroes Convention poster	Title: Heroes Convention poster
Publisher:	Publisher:
Release date: 2007	Cover date: 2007
Artist: Michael Golden	Artist: Michael Golden

Title: Venom v2 #2	Title: The Amazing Spider-Man #700
Publisher: Marvel Comics	Publisher: Marvel Comics
Cover date: 2011	Cover date: 2013
Artist: Tony Moore	Artist: Joe Rubinstein

Title: Spawn #227	Title: The Amazing Spider-Man #700
Publisher: Image Comics	Publisher: Marvel Comics
Cover date: 2013	Cover date: 2013
Artist: Todd McFarlane	Artist: Humberto Ramos

The Heroes Convention posters were spotted at Ui ar de japis

Batman: The Dark Knight Returns #2 Homages

Title: The Dark Knight Returns #2	Title: Cerebus #93
Publisher: DC Comics	Publisher: Aardvark-Vanaheim
Cover date: 1986	Cover date: 1986
Artist: Frank Miller	Artist: Dave Sim

Title: Pork Knight #1	Title: Spawn #224
Publisher: Silver Snail Comics	Publisher: Image Comics
Cover date: 1986	Cover date: 2012
Artist: Rob Walton	Artist: Todd McFarlane

Homage: The Savage Dragon #1 / Spawn #220

Title: The Savage Dragon #1	Title: Spawn #220
Publisher: Image Comics	Publisher: Image Comics
Cover date: 1993	Cover date: 2012
Artist: Erik Larsen	Artist: Todd McFarlane

Spawn #1 Homages

Title: Spawn #1	Title: Radioactive Man #1000
Publisher: Image Comics	Publisher: Bongo Comics
Cover date: 1992	Cover date: 1994
Artist: Todd McFarlane	Artist: Matt Groening & Steven Vance

Title: Spawn #50	Title: Spawn Origins Volume 1
Publisher: Image Comics	Publisher: Image Comics
Cover date: 1996	Cover date: 2009
Artist: Todd McFarlane	Artist: Greg Capullo

Title: Spawn #220	Title: Spawn #220 (unpublished)
Publisher: Image Comics	Publisher: Image Comics
Cover date: 2012	Cover date:
Artist: Szymon Kudranski	Artist: Chris Giarrusso

The Incredible Hulk #340 Homages

Title: The Incredible Hulk #340	Title: Wizard #157
Publisher: Marvel Comics	Publisher: Wizard
Cover date: 1988	Cover date: 2004
Artist: Todd McFarlane	Artist: Joe Quesada

Title: Powerless #5	Title: Dave Finch Commission
Publisher: Marvel Comics	Publisher:
Cover date: 2004	Cover date: 2009
Artist: Greg Land	Artist: Dave Finch

The Walking Dead #1 Homages

Title: The Walking Dead #1	Title: The Walking Dead #75
Publisher: Image Comics	Publisher: Image Comics
Cover date: 2003	Cover date: 2010
Artist: Tony Moore	Artist: Charlie Adlard

Title: Spawn #222	Title: The Walking Dead #103
Publisher: Image Comics	Publisher: Image Comics
Cover date: 2012	Cover date: 2012
Artist: Todd McFarlane	Artist: Chris Giarrusso

Title: The Walking Dead #106	Title: Fanboy vs. Zombies #18
Publisher: Image Comics	Publisher: Boom! Studios
Cover date: 2013	Cover date: 2013
Artist: Charlie Adlard	Artist: Jerry Gaylord

Related: Spawn #25 / Cyberforce v2 #8

Title: Spawn #25	Title: Cyberforce v2 #8
Publisher: Image Comics	Publisher: Image Comics
Cover date: 1994	Cover date: 1994
Artist: Marc Silvestri	Artist: Todd McFarlane