IDW Publishing

SPECTRO

APPEARANCES

SERIES

FIRST APPEARANCE

The Transformers #4

March 1985

Earliest catalogued appearances of Shockwave (Decepticons), Grimlock (Autobot), Slag (Autobot), and 4 more.

All 3 appearances.

The Transformers #4

Earliest catalogued appearances of Shockwave (Decepticons), Grimlock (Autobot), Slag (Autobot), and 4 more.

Mar 1985

No listings

The Transformers: Robots in Disguise #9

Earliest catalogued appearance of Circuit.

Sep 2012

No listings

The Transformers: Robots in Disguise #10

Oct 2012

No listings

The Transformers

80 issues

The Transformers: Robots in Disguise

34 issues