Inside the new Funko book issued at the 2012 San Diego Comic-Con: World of Pop! Volume 1, the following figures have a rubber stamp marked "RETIRED" in the caption.
Download the complete List of Funko Disney Pop! characters Series 1 through 4.
New Disney Pop Series 4 available today at the Disney Store
1950's Elvis
Aquaman
Boo (Monsters, Inc.)
BooBerry
Count Chocula
FrankenBerry
Gamorrean Guard
George Sanderson
Greedo
Green Arrow
Hal Jordan
Han Solo Jedi
Han Solo Stormtrooper
Hawkman
Jam Master Jay
Loki
Luke Skywalker Stormtrooper
Martian Manhunter
Mike Wazowski
Penguin
Purple Haze - Jimi Hendrix
Red Skull
Reggae Rasta - Bob Marley
Riddler
Shadow Trooper
Shazam!
Sinestro
Sulley (Monsters, Inc.)
Thor