Sleeper

robot

Also known as

First appearance: Tales of Suspense (Marvel, 1959 series) #72 (December 1965).

Appearances

Captain America #101 — 1968-05-00
Captain America #102 — 1968-06-00
Capt. Savage and His Leatherneck Raiders #12 — 1969-03-00
Captain America #354 — 1989-06-00
Captain America #368 — 1990-03-00
The Avengers Annual #19 — 1990-09-00
Captain America #387 — 1991-07-00
Captain America #389 — 1991-08-00
Captain America #390 — 1991-08-00
Captain America #391 — 1991-09-00
Captain America #393 — 1991-10-00
Captain America Annual #11 — 1992-00-00
Captain America #409 — 1992-11-00
Captain America #410 — 1992-12-00
Captain America #50 — 2009-07-00
Captain America: Road to Reborn #[nn] — 2009-13-00
Essential Captain America #2 — 2010-08-18
Marvel Now! Omnibus #[nn] — 2013-07-03
Captain America Epic Collection #15 — 2018-04-25