Batman/Superman: World's Finest #21 is an issue of the series Batman/Superman: World's Finest (Volume 1) with a cover date of January, 2024. It was published on November 21, 2023.
Synopsis for "Heir To The Kingdom, Chapter Two: Doppelgängers"
Appearing in "Heir To The Kingdom, Chapter Two: Doppelgängers"
Featured Characters:
Supporting Characters:
Antagonists:
- Gog (Post-Flashpoint) (Cameo)
Other Characters:
- Alfred Pennyworth (Earth 22) (First appearance)
- Atom-Master (Earth 22) (Cameo)
- Justice Brigade (Earth 22) (First appearance; unnamed) (Cameo)
- Alloy
- Aquaman (Arthur Curry)
- The Atom (Ray Palmer) (First appearance; unnamed)
- Batgirl (Barbara Gordon) (Cameo)
- Batwoman
- Batwoman (Kate Kane) (First appearance; unnamed)
- Beast Boy
- Black Canary (Dinah Lance)
- Blue Beetle (Ted Kord)
- Booster Gold
- Skeets (First appearance; unnamed)
- Boruka (First appearance; unnamed)
- Cadejos (First appearance; unnamed)
- Captain Atom
- Captain Marvel
- Cyborg (First appearance; unnamed)
- Doctor Fate (First appearance; unnamed)
- Donna Troy (First appearance; unnamed)
- Etrigan the Demon (First appearance; unnamed)
- Firestorm (First appearance; unnamed)
- Green Arrow (First appearance; unnamed)
- Green Lantern (Hal Jordan) (Unnamed)
- Green Lantern (John Stewart) (First appearance; unnamed)
- Hawkgirl (Unnamed)
- Jonah Hex (First appearance; unnamed)
- Judomaster (First appearance)
- Kid Flash (Wally West) (First appearance as Kid Flash)
- Martian Manhunter
- Metamorpho
- Nightshade (First appearance; unnamed)
- Peacemaker (First appearance; unnamed)
- Plastic Man (First appearance; unnamed)
- Raven (First appearance; unnamed)
- Red Tornado
- Robin (Tim Drake) (First appearance; unnamed)
- Rana Dorada (First appearance; unnamed)
- Starfire (First appearance; unnamed)
- Starman/Thom Kallor (Pre-Zero Hour)
- Supergirl (Unnamed)
- Swamp Thing (First appearance; unnamed)
- Vigilante (First appearance; unnamed)
- Wonder Woman
- Zatanna (First appearance; unnamed)
- Kent Family
- Jonathan Kent (Earth 22) (Tombstone)
- Martha Kent (Earth 22) (Tombstone)
- Asher Sikela (Unknown Earth) (Deceased) (Mentioned only)
- Clayface (Mentioned only)
- Dick Grayson (Mentioned only)
- The Flash (Barry Allen) (Mentioned only)
- Gayle Sikela (Unknown Earth) (Deceased) (Mentioned only)
- God (Mentioned only)
- Justice League (Earth 22) (Mentioned only)
- Kryptonians (Mentioned only)
- Lucius Fox (Earth 22) (Mentioned only)
- Mongul (Earth 22) (Mentioned only)
- White Martians (Earth 22) (Mentioned only)
Locations:
- Multiverse (Mentioned only)
- Earth 22
- Earth
- United States of America
- Gotham City
- Metropolis
- Mortimer's Coffee (First appearance)
- Smallville
- Japan (Mentioned only)
- United States of America
- Earth
- Earth 0 (Mentioned only)
- Earth 22
- Hypertime
- David Sikela's Earth (Unnamed) (Destroyed) (Mentioned only)
Items:
- Batarang
- Batcomputer
- Batsuits
- Bio-Belt (Cameo)
- Bottled City of Kandor (Mentioned only)
- Bracelets of Submission (Cameo)
- Firestorm Matrix (Cameo)
- Green Lantern Rings (Cameo)
- Hawgirl's Mace (Cameo)
- Helmet of Fate (Cameo)
- Nth Metal (Cameo)
- "Return Device" (Destroyed)
- Trick Arrows (Cameo)
- Trident of Neptune (Cameo)
- Wonder Woman's Tiara (Cameo)
Vehicles:
- Batwing (Mentioned only)
- Kents' Truck (Cameo)
Concepts:
Notes
- This story features Batman and Superman's first chronological meeting with their Earth 22 counterparts in the Post-Flashpoint continuity.
- Most of the Earth 22 characters appears for the first time in the Post-Flashpoint continuity.
- The alternate versions of Katar Hol, John Stewart, Kate Kane, Etrigan, Raven, Tim Drake, Firestorm, and Zatanna never appeared in any Kingdom Come continuity before this story.
- This issue is reprinted in Batman/Superman: World's Finest: Return to Kingdom Come.
Trivia
- Mortimer's Coffee is named after the late DC writer, Win Mortimer.
See Also
- Cover gallery for the Batman/Superman: World's Finest series
- Images from Batman/Superman: World's Finest Vol 1 21
Links and References


Look at how sad this is making Batman. You did this.

