Cosmic, and the antagonists
Mephisto
AlivePlayed by Sacha Baron Cohen
Alive, now loose in the MCU
- Appearances
- 1
Along the chronological spine
Where the guide talks about them (3)
THE ROAD TO DOOM — Ironheart (2025)
The finale reveals the cloak's source: Mephisto, played by Sacha Baron Cohen — a demon lord who has now entered the MCU. Riri strikes a deal with him to resurrect her dead best friend.
WHERE EVERYONE STANDS RIGHT NOW — Cosmic, and the antagonists
Likely
| Character | Premiered | Appeared in | Status now |
|---|---|---|---|
| Thanos | Avengers (2012, post-credits) | Guardians, Ultron, Infinity War, Endgame | Erased from existence by Stark. Both versions |
| He Who Remains / Kang | Loki S1 (2021) | Loki S1–2, Quantumania | Dead, and the character is retired — Jonathan Majors was fired and not recast |
| Ultron | Age of Ultron (2015) | Age of Ultron | Destroyed — and returning in VisionQuest |
| The Collector | Dark World (2013, post-credits) | Dark World, Guardians, Infinity War | Dead, killed by Thanos offscreen |
| The Grandmaster | Ragnarok (2017) | Ragnarok | Alive, deposed, not seen since |
| Arishem | Eternals (2021) | Eternals | Alive — took three Eternals for judgment and never came back |
| Mephisto | Ironheart (2025) | Ironheart | Alive, now loose in the MCU |
| Carol Danvers / Captain Marvel | Captain Marvel (2019) | Captain Marvel, Endgame, Shang-Chi, The Marvels | Alive, mostly in deep space |
| Monica Rambeau | Captain Marvel (2019, as a child) | Captain Marvel, WandaVision, The Marvels | Stranded in another universe — the one with Beast and Charles Xavier |
| Shang-Chi | Shang-Chi (2021) | Shang-Chi | Alive, holding the ten rings. D |
| Xialing | Shang-Chi (2021) | Shang-Chi | Alive, running the Ten Rings organisation |
| Thaddeus Ross | The Incredible Hulk (2008) | Incredible Hulk, Civil War, Infinity War, Endgame, Black Widow, Brave New World | Alive, imprisoned at the Raft by his own choice |
| Samuel Sterns / the Leader | The Incredible Hulk (2008) | Incredible Hulk, Brave New World | Alive, imprisoned |
WHERE EVERYONE STANDS RIGHT NOW — The next generation
| Character | Premiered | Appeared in | Status now |
|---|---|---|---|
| Kate Bishop | Hawkeye (2021) | Hawkeye, The Marvels (post-credits) | Alive, recruited toward a Young Avengers team |
| Kamala Khan / Ms. Marvel | Ms. Marvel (2022) | Ms. Marvel, The Marvels | Alive — and confirmed to carry a mutation |
| Riri Williams / Ironheart | Wakanda Forever (2022) | Wakanda Forever, Ironheart | Alive, and has made a deal with Mephisto |
| Billy Maximoff / Wiccan | WandaVision (2021) | WandaVision, Agatha All Along | Alive in a host body, with Agatha's ghost attached |
| Simon Williams / Wonder Man | Wonder Man (2026) | Wonder Man | Alive, powers newly revealed |
| White Vision | WandaVision (2021) | WandaVision | Active — location unknown. The subject of VisionQuest |