First appearances of comic book characters that debuted in 2025

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1st appearance of Hieronymus Hale, a District Attorney and enemy of the Turtles

Spider-Boy #16

Marvel 2025 Vol. 1
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1st appearance of Demon's Mist of the Gaping Maw

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1st appearance of Odyssey, a time bandit

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1st cameo appearance of the Taxonomist, a dangerous new villain tracking Psylocke

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1st cameo appearance of Hellgate, silhouette

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1st appearance of Spider-Sprite

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Introduction of the Ultimate Guardians of the Galaxy: Captain Marvel, Star-Lord, Cosmo, Ultimate Nullifier (1st) - the mainstream Ultimate Nullifier is a weapon

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1st team appearance of S.C.A.R.: Ripcord, Slice, Heater

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1st team appearance of the New Champions, formerly the Assembly: Liberty, Moon Squire, Hellrune, Cadet

2nd cameo appearance of Monte

1st cameo appearance of Kid Juggernaut

1st cameo appearance of Gold Tiger

1st appearance of Morgan, the murderous muse of Muse

Magik #1

Marvel 2025 Vol. 2
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1st appearance of Karok Ator, the Scavenger

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1st appearance of Doc Clock - appeared on the cover of TVA #1

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1st cameo appearance of Zerta Trion

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1st cameo appearance of the Glowing Woman

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