(April 2015): Batgirl, Firestorm, Poison Ivy #11 (May 2015): The Black Canary, Green Lantern (Guy Gardner), John Constantine Collected editions 2014–15 series Secret Origins Volume 1 - collects Secret Origins (vol. 3) #1-4 (Feb. 2015) Secret Origins Volume 2 - collects Secret Origins (vol. 3) #5-11 (Aug. 2015) Secret Origins of Super-Heroes During 52, Weeks 12 through 51 featured two-page origins of various superheroes, written by Mark Waid. The origins featured were: Week 12: Wonder Woman Week 13: The Elongated Man Week 14: Metamorpho Week 15: Steel Week 16: Black Adam Week 17: Lobo Week 18: The Question Week 19: Animal Man Week 20: Adam Strange Week 22: Green Lantern Week 23: Wildcat Week 24: Booster Gold Week 25: Nightwing Week 26: Hawkman and Hawkgirl Week 27: The Black Canary Week 28: The Catman Week 30: The Metal Men Week 31: Robin Week 32: The Blue Beetle Week 33: The Martian Manhunter Week 34: Zatanna Week 36: Power Girl Week 37: Firestorm the Nuclear Man Week 38: The Red Tornado Week 39: Mr. Terrific Week 41: Starfire Week 42: The Green Arrow Week 43: Plastic Man Week 46: Batman Week 47: The Teen Titans Week 48: The Birds of Prey Week 49: The Justice Society of America Week 51: The Justice League of America Secret Origins of Super-Villains Beginning with #37, each issue of Countdown featured the origins of a supervillain, written by Scott Beatty. The origins are: #37: Poison Ivy #36: Deathstroke the Terminator #35: Parallax #34: Lex Luthor #33: The Riddler #32: Eclipso #31: The Joker #30: General Zod #29: The Penguin #28: The Trickster and the Pied Piper #27: Two-Face #25: Killer Frost #24: DeSaad #23: Mr. Mxyzptlk #22: Deadshot #21: Granny Goodness #20: Mr. Mind #19: The Scarecrow #18: Dr. Light #17: The Monarch #16: Sinestro #15: Doomsday #14: Gorilla Grodd #13: The Cyborg Superman #12: Circe #11: Solomon Grundy #10: Harley Quinn #9: Black Manta #8: Bizarro #7: Bane #6: Felix Faust #5: Mr. Freeze #4: Ra's al Ghul #3: Amazo #2: Darkseid See also Secret Files and Origins References External links Secret Origins, Secret Origins vol. 2, and Secret Origins vol. 3 at Mike's Amazing World of Comics 1973 comics debuts 1974 comics endings 1986 comics debuts 1990 comics endings 2014 comics debuts 2015 comics endings Comics anthologies Comics by Alan Moore Comics by Dennis O'Neil Comics by Gerry Conway Comics by J. M.