Here's the chronology for every character:
BLACK WIDOW/CLAIRE VOYANT
TWELVE 8-FB (1928)
[MYSTIC COMICS 4/5]
[MYSTIC COMICS 5/5]
[MYSTIC COMICS 7/3]
[USA COMICS 5/2]
MARVELS 1 (1943?)
[ALL SELECT COMICS 1/5]
TWELVE SPEARHEAD (April 1945)
TWELVE 1 (April 25, 1945 - August 2, 2008)
TWELVE 2
TWELVE 3
TWELVE 4
TWELVE 5
TWELVE 6
TWELVE 7
TWELVE 8
TWELVE 9
TWELVE 10
TWELVE 11 (2009)
TWELVE 12
BLUE BLADE/ROY CHAMBERS
TWELVE 8-FB
[USA COMICS 5/5]
TWELVE SPEARHEAD
TWELVE 1 (1-21) (April 25, 1945 - August 2, 2008)
TWELVE 2
TWELVE 3
TWELVE 4
TWELVE 5
TWELVE 6-FB
TWELVE 7
TWELVE 8
TWELVE 9=TWELVE 1 (22) = TWELVE 2 (1) (dies)
CAPTAIN WONDER/PROFESSOR STEVE JORDAN
TWELVE 7 (5:5-7)-FB
[KID KOMICS 1]
[KID KOMICS 2]
TWELVE 2-FB
TWELVE 7 (8:3)-FB
TWELVE SPEARHEAD
TWELVE 1 (April 25, 1945 - August 2, 2008)
TWELVE 2
TWELVE 3
TWELVE 4
TWELVE 5
TWELVE 6-FB
TWELVE 6
TWELVE 7
TWELVE 9
TWELVE 10
TWELVE 11 (2009)
TWELVE 12
DYNAMIC MAN/CURT COWAN
TWELVE 10-FB
[MYSTIC COMICS 1/7]
[MYSTIC COMICS 2/3]
[MYSTIC COMICS 3/8]
[MYSTIC COMICS 4/8]
TWELVE SPEARHEAD
TWELVE 1 (1-10) (April 25, 1945)
TWELVE 9-FB=TWELVE 10-FB
TWELVE 1 (12-21) (August 2, 2008)
TWELVE 2
TWELVE 3
TWELVE 4
TWELVE 5-FB
TWELVE 5
TWELVE 6
TWELVE 8
TWELVE 9
TWELVE 10
TWELVE 11 (dies) (2009)
ELECTRO, Marvel of the Age
Marvels Project 3-BTS (Summer 1940)
TWELVE 9-FB (14:1-6)
MARVEL MYSTERY COMICS 4/5 (cover dated Feb 1940)
MARVEL MYSTERY COMICS 5/5
MARVEL MYSTERY COMICS 6/5
MARVEL MYSTERY COMICS 7/5
MARVEL MYSTERY COMICS 8/5
[MARVEL MYSTERY COMICS 9/4]
[MARVEL MYSTERY COMICS 10/5]
[MARVEL MYSTERY COMICS 11/7]
[MARVEL MYSTERY COMICS 12/5]
[MARVEL MYSTERY COMICS 13/5]
[MARVEL MYSTERY COMICS 14/6]
[MARVEL MYSTERY COMICS 15/6]
[MARVEL MYSTERY COMICS 16/3]
[MARVEL MYSTERY COMICS 17/2]
[MARVEL MYSTERY COMICS 18/5]
[MARVEL MYSTERY COMICS 19/5] (cover dated May 1941)
MARVEL MYSTERY COMICS 70TH ANNIVERSARY SPECIAL (Spring 1941)
MARVEL PROJECTS 6 (Summer 1941)
TWELVE 9-FB (15:4) Zog starts working for the military
TWELVE SPEARHEAD (April 1945)
TWELVE 1 (1-10) (= 9-FB 15:6 - 16:6)
TWELVE 9-FB (17)
TWELVE 1 (12-21)
TWELVE 2
TWELVE 3
TWELVE 4
TWELVE 5
TWELVE 7
TWELVE 8
TWELVE 9
TWELVE 10
TWELVE 11
TWELVE 12
PROFESSOR PHILO ZOG
TWELVE 9-FB (14:1-6)
MARVEL MYSTERY COMICS 4/5
MARVEL MYSTERY COMICS 5/5
MARVEL MYSTERY COMICS 6/5
MARVEL MYSTERY COMICS 7/5
MARVEL MYSTERY COMICS 8/5
[MARVEL MYSTERY COMICS 9/4]
[MARVEL MYSTERY COMICS 10/5]
[MARVEL MYSTERY COMICS 11/7]
[MARVEL MYSTERY COMICS 12/5]
[MARVEL MYSTERY COMICS 13/5]
[MARVEL MYSTERY COMICS 14/6]
[MARVEL MYSTERY COMICS 15/6]
[MARVEL MYSTERY COMICS 16/3]
[MARVEL MYSTERY COMICS 17/2]
[MARVEL MYSTERY COMICS 18/5]
[MARVEL MYSTERY COMICS 19/5]
MARVEL MYSTERY COMICS 70TH ANNIVERSARY SPECIAL (Spring 1941)
Marvels Project 3-BTS
TWELVE 9-FB (15:4)
TWELVE SPEARHEAD (April 1945)
TWELVE 1 (= 9-FB 15:6 - 16:6) (dies)
FIERY MASK/DR. JACK CASTLE (1912-2009)
TWELVE 9-FB = TWELVE 3 (16:3)-FB, TWELVE 3 (16:5-17:1)-FB
DARING MYSTERY COMICS 1 (1-6:5)
TWELVE 3 (17:2-17:3)-FB
DARING MYSTERY COMICS 1 (6:6-7:3)
TWELVE 3 (17:4-18:2)-FB
DARING MYSTERY COMICS 1 (7:4-8)
TWELVE 3 (18:3)-FB
DARING MYSTERY COMICS 1 (9-10)
Daring Mystery Comics 70th Anniversary Special
[DARING MYSTERY COMICS 5]
[DARING MYSTERY COMICS 6]
HUMAN TORCH 2/6
TWELVE SPEARHEAD
TWELVE 1 (April 25, 1945 - August 2, 2008)
TWELVE 2
TWELVE 3
TWELVE 4
TWELVE 5
TWELVE 6
TWELVE 7
TWELVE 8
TWELVE 9
TWELVE 10
TWELVE 11 (dies)
LAUGHING MASK/DENNIS BURTON
DARING MYSTERY COMICS 2/6
DARING MYSTERY COMICS 3/3 (as the Purple Mask)
DARING MYSTERY COMICS 4 (as the Purple Mask)
TWELVE 3 (13:3-13:4)-FB
TWELVE 3 (14:3-14:5)-FB
TWELVE SPEARHEAD
TWELVE 1
TWELVE 2
TWELVE 3
TWELVE 4-FB
TWELVE 4
TWELVE 5
TWELVE 6
TWELVE 8-FB
TWELVE 9
TWELVE 10
TWELVE 11
TWELVE 12
MASTER MIND EXCELLO/EARL EVERETT
TWELVE 12-FB
[MYSTIC COMICS 2]
[MYSTIC COMICS 3/5]
TWELVE SPEARHEAD
TWELVE 1
TWELVE 2
TWELVE 3
TWELVE 4
TWELVE 5
TWELVE 6
TWELVE 7
TWELVE 8-FB
TWELVE 8-BTS
TWELVE 9
TWELVE 10
TWELVE 11
TWELVE 12
MISTER E./VICTOR J. GOLDSTEIN/”VICTOR JAY”
DARING MYSTERY COMICS 2/5
TWELVE 3 (7:4-7:5)-FB
TWELVE 3 (6:2)-FB
MARVELS PROJECT 6 (Summer 1941)
TWELVE SPEARHEAD (April 1945)
TWELVE 1
TWELVE 2
TWELVE 3 (1-9)
TWELVE 3 (21:2)-FB
TWELVE 3 (21:4)-FB
TWELVE 3 (10-23)
TWELVE 4
TWELVE 6
TWELVE 9
TWELVE 10
TWELVE 11
PHANTOM REPORTER/DICK JONES
Daring Mystery 70th Anniversary Special-FB-FB (3:6-4:3)
Daring Mystery 70th Anniversary Special-FB (2-21)
DARING MYSTERY COMICS 3/4
TWELVE 2-FB
TWELVE SPEARHEAD
TWELVE 1 (1-21) (April 25, 1945 - August 2, 2008)
TWELVE 2
TWELVE 3
TWELVE 4
Daring Mystery 70th Anniversary Special
TWELVE 5
TWELVE 6
TWELVE 7
TWELVE 8
TWELVE 9=TWELVE 1 (22)=TWELVE 2 (1)
TWELVE 10
TWELVE 11 (2009)
TWELVE 12
ROCKMAN
TWELVE 6-FB
USA COMICS 1/4
USA COMICS 2/5
USA COMICS 3/5
USA COMICS 4/6
TWELVE 4-FB
TWELVE SPEARHEAD
TWELVE 1 (April 25, 1945 - August 2, 2008)
TWELVE 2
TWELVE 3
TWELVE 4
TWELVE 6
TWELVE 8
TWELVE 9
TWELVE 10
TWELVE 11 (2009)
TWELVE 12-BTS
WITNESS/
TWELVE 5-FB
[MYSTIC COMICS 7/2]
[MYSTIC COMICS 8/4]
[MYSTIC COMICS 9/2]
TWELVE SPEARHEAD
TWELVE 1 (April 25, 1945 - August 2, 2008)
TWELVE 2
TWELVE 3
TWELVE 4
TWELVE 5
TWELVE 6
TWELVE 10
TWELVE 11 (2009)
TWELVE 12
COLONEL DEXTER
TWELVE 2
TWELVE 3
TWELVE 5
TWELVE 6
LAURA GOLDSTEIN
TWELVE 3
TWELVE 10 (dies)
ROBERT GOLDSTEIN
TWELVE 3
TWELVE 10
Lt David Rose
TWELVE 7
TWELVE 8
TWELVE 9
TWELVE 10
TWELVE 12
Elizabeth ZOGOLOWSKI
TWELVE 5
TWELVE 7
TWELVE 8
TWELVE 9
TWELVE 10
TWELVE 12-BTS
TIM MULROONEY
TWELVE 7-FB (5-7)
[KID KOMICS 1]
[KID KOMICS 2]
TWELVE 7-FB (8, 10-11)
TWELVE 7 (dies)
THE TWELVE #9 (cover)
Cover Date: April 2012
Cover: Paolo Rivera (cover artist)
Story: No title given (22 pages)
Credits:
J. Michael Straczynski (scripter); Chris Weston (penciler); Chris
Weston (inker); Chris Chuckry (colorist); Jim Betancourt (letterer)
Feature
Characters: Phantom Reporter, Black Widow, Fiery Mask (origin), Blue
Blade (dies), MasterMind Excello, Mister E, Captain Wonder (from #7),
Laughing Mask, Rockman, Dynamic Man
Supporting characters: Elizabeth Zogolowski,, Professor Zog (flashbacks)
Villains:
Other Characters: Detective Rose
Paraphernalia: Electro the Marvel of the Age
Synopsis:
1 Claire Voyant brings coffee to Phantom Reporterin his room, the bell rings
2
Earl Everett enters the house to join Mister E, Laughning Mask, Rockman
and Captain Wonder, then they are joined by Voyant and Phantom
Reporter. Mister E is informed of his wife's death
3 Phantom reporter reflects on changing times
4 Blue Blade, Elisabeth Zogolowski discuss the coming show involving Electro the Marvel of the Age
5 Dynamic Man shows up on a stadium, Blue Blade rehearses
6 Dynamic Man addresses the crowd, Blue Blade is attacked by Electro
7-8 Blue Blade is killed
9 Dynamic Man makes a demonstration of his powers. Corpse of Blue Blade under the rain
10
Phantom Reporter gets a phone call from Detective Rose informing him of
the murder. PR leaves, he sees MasterMind Excello, Rockman and Captain
Wonder in the lobby
11 PR identifies Blue Blade for Rose on the crime scene
12 Rose shows the security camera footage involving Electro to PR and Elisabeth Zogolowski
13 Zogoloski connects PR to Electro's cerebro-records
14 2nd flashback: Zog, Electro
15 flashbacks 3-7 on panels 1-5
15:6 - 16:6 8th fb: The Twelve enter the bunker from issue #1
17 9th fb While the Twelve are in stasis in The Bunker an intelligence (Dynamic Man) connects with Electro
18 Det. Rose disconnects PR from Electro, he faints before he can tell Elisabeth Zogolowski what he saw
19 MasterMind Excello talks with Fiery Mask
20-22 Fiery Mask tells him the origin of his powers
First flashback: 3:1 life in 1940
Second flashback: 14:1-6 Pr Zog talks to Electro for the first time
Third flashback: 15:1 Electro helps two kids (during Marvel Mystery Comics #4-19)
4th fb: Electro fights gangsters (during Marvel Mystery Comics #4-19)
5th fb: Zog talking about his loneliness
6th fb: Electro talks to a general who welcomes him to the war effort
7th fb: Electro looking at a nazi tank
8th fb: same as #1, The Twelve enter the bunker in Berlin
9th fb: The Twelve in stasis
10th
fb: Jack Castle saves an injured man and gets his power because he
didn't call an ambulance to try to save him (overlaps with Twelve #3
flashbacks)