Doctor Leech has appeared in 1 comic from Marvel Comics since 1942. Most catalogued appearances come from USA Comics.
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Limited Series
Image Comics
3 issues
One-Shot
DC Comics
1 issue
DC Comics
11 issues
Image Comics
1 issue
Marvel Comics
1 issue
DC Comics
20 issues
Limited Series
Ignition Press
3 issues
Limited Series
Ignition Press
3 issues
Limited Series
Marvel Comics
4 issues
DC Comics
13 issues
Marvel Comics
7 issues
Ignition Press
8 issues
Super Mondo Mega Mutts (2026)
Aug 26, 2026
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Aug 26, 2026
Masters of the Universe: Genesis (2026)
Aug 5, 2026
Queen In Black: Venom Unchained (2026)
Jul 15, 2026
Dungeons & Dragons: Ravenloft (2026)
Aug 19, 2026
Wonder Woman (2023)
Aug 19, 2026
Absolute Martian Manhunter (2025)
May 13, 2026
Clayface: Celebrity Dirt (2026)
Jul 8, 2026
Blue Beetle (2023)
Sep 5, 2023
Avengelyne (2026)
Oct 7, 2026
Superman’s Good Guy Gang (2025)
Jul 7, 2026
Nightwing (2016)
Jul 15, 2026
258 members
303 members
488 members
52 members
85 members
132 members
323 members
150 members
145 members
171 members
117 members
88 members
Main Story
23 issues
Tie-In Arc
25 issues
Crossover Event
28 issues
33 issues
Crossover Event
33 issues
Crossover Event
Earth-616
33 issues
3 issues
Crossover Event
Prime Earth (Earth-0)
89 issues
Crossover Event
65 issues
Crossover Event
71 issues
61 issues
Main Story
Earth-616
38 issues
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