Sentinel
Marcus Langston, Youngblood
- Also known as
Appearances
- Megaton Explosion: Who's Who in Megaton Comics? #1 — 1987-06-00
- Comics Scene #25 / 36 — 1992-04-00
- Youngblood #1 — 1992-04-00
- Youngblood #2 — 1992-07-00
- Youngblood #3 — 1992-08-00
- Supreme #1 — 1992-11-00
- Youngblood #0 — 1992-12-00
- Megaton Holiday Special #1 — 1993-00-00
- Youngblood #4 — 1993-02-00
- Youngblood #5 — 1993-07-00
- Youngblood [Youngblood Yearbook] #1 — 1993-07-00
- Supreme #4 — 1993-07-00
- Brigade #4 — 1993-07-00
- Supreme #5 — 1993-08-10
- Brigade #0 — 1993-09-00
- Bloodstrike #3 — 1993-09-00
- Team Youngblood #1 — 1993-09-00
- Superpatriot #2 — 1993-09-00
- Vanguard #1 — 1993-10-00
- Team Youngblood #2 — 1993-10-00
- Team Youngblood #3 — 1993-11-00
- Team Youngblood #4 — 1993-12-00
- Marvel Annual Report #1993 — 1994-00-00
- Team Youngblood #5 — 1994-01-00
- Team Youngblood #6 — 1994-02-00
- Team Youngblood #7 — 1994-03-00
- Supreme #11 — 1994-03-00
- Brigade #8 — 1994-03-00
- Brigade #9 — 1994-04-00
- Bloodstrike #9 — 1994-04-00
- Bloodstrike #10 — 1994-04-00
- Team Youngblood #8 — 1994-04-00
- Team Youngblood #9 — 1994-05-00
- Team Youngblood #10 — 1994-06-00
- Team Youngblood #11 — 1994-07-00
- Youngblood Battlezone #2 — 1994-07-00
- Bloodstrike #13 — 1994-08-00
- Team Youngblood #12 — 1994-08-00
- Youngblood Strikefile #6 — 1994-08-00
- Youngblood #9 — 1994-09-00
- Prophet #7 — 1994-09-00
- Team Youngblood #13 — 1994-09-00
- Brigade #13 — 1994-10-00
- NewMen #7 — 1994-10-00
- Team Youngblood #14 — 1994-10-00
- Team Youngblood #15 — 1994-11-00
- Battlestone #1 — 1994-11-00
- NewMen #8 — 1994-11-00
- Team Youngblood #16 — 1994-12-00
- Extreme Sacrifice Epilogue #2 — 1995-01-00
- Team Youngblood #19 — 1995-06-00
- Team Youngblood #20 — 1995-07-00
- Supreme #0 — 1995-08-00
- Youngblood #1 — 1995-09-00
- Youngblood #2 — 1995-10-00
- Glory #8 — 1995-11-00
- Supreme #33 — 1995-11-00
- Battlestar Galactica: The Enemy Within #1 — 1995-11-10
- Extreme Destroyer Epilogue #1 — 1996-01-00
- Extreme Destroyer Prologue #1 — 1996-01-00
- Youngblood #5 — 1996-02-00
- Youngblood #5 — 1996-02-00
- Team Youngblood #21 — 1996-03-00
- Team Youngblood #22 — 1996-04-00
- Youngblood #7 — 1996-04-00
- X-Force / Youngblood #1 — 1996-08-00
- Judgment Day Omega #2 — 1997-07-10
- Judgment Day: Final Judgment #3 — 1997-10-10
- Judgment Day: Final Judgment #3 — 1997-10-10
- Supreme #56 — 1998-02-00
- Youngblood #2 — 1998-08-00
- Judgment Day #[nn] — 2003-00-00
- Youngblood Bloodsport #1 — 2003-07-00
- Youngblood Genesis #1 — 2003-07-00
- Youngblood Genesis #2 — 2004-03-00
- Image United #3 — 2010-08-18
- Bloodstrike #23 — 2018-06-27
- Youngblood Deluxe #2 — 2025-05-28