Sentinel (generic, robot, Marvel)
Sentinel (generic, robot, Marvel) appears in 42 issues in grailworth's catalog, and was first published in 1965. First appearance: X-Men #14 (1963), cover dated 1965.
First appearance
Every appearance we value
A+X (2012) 1 issue
Avengers (1998) 4 issues
Avengers A.I. (2013) 2 issues
Captain America (2013) 1 issue
Civil War (2006) 1 issue
Excalibur (2004) 2 issues
Generation X '96 (1996) 1 issue
House of M: Avengers (2008) 1 issue
Iron Man (1968) 1 issue
Legion of X (2022) 1 issue
Marvel Comics (2019) 2 issues
Marvel Tales (1966) 1 issue
The Mighty Avengers (2007) 1 issue
New X-Men (2001) 1 issue
Sentinels (2024) 1 issue
Thunderbolts (1997) 1 issue
What If...? (1989) 1 issue
X-Men (1963) 2 issues
X-Men (2010) 4 issues
X-Men: Red (2018) 1 issue
X-Men: Schism (2011) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.