Born in Malden, England, with twin sister Betsy, studies physics at Thames university, graduates ahead of his age
Captain Britain (1st series) #14
Blames himself for his parents’ death
Captain Britain (1st series) #1-2
First appearance, transformed into Captain Britain by Merlyn and Roma after choosing the Amulet of Right
Captain Britain (1st series) #3
Makes an enemy of Chief Inspector Dai Thomas
Captain Britain (1st series) #10
Reveals his secret identity to his older brother Jamie
Captain Britain (1st series) #13
Learns that his quarterstaff can produce a force field
Captain Britain (1st series) #14-15
Faces off against Mastermind and learns that it murdered his parents
Captain Britain (1st series) #16-27
Teams up with Captain America against the Red Skull
Captain Britain (1st series) #33-37
Meets Merlyn and Roma face to face, passes their tests and is given a Star Sceptre with flight capability
off panel
Starts relationship with Courtney Ross, reveals his secret identity to her
Marvel Team-Up (1st series) #65-66
First US appearance, travels to the United States, meets Spider-Man and fights Arcade
Hulk UK #42-43
Plane attacked on the way back, jumps outside, ends up amnesiac in Cornwall
Hulk UK #4
Found by the Black Knight, teams up with him
Hulk UK #21
Killed by the White Rider
Hulk UK #26-29
Saved and revived by Merlyn
Hulk UK #60, Marvel Super-Heroes (UK) #377
Sent to parallel Earth 238 together with his elfin friend Jackdaw, costume magically transforms, meets Mad Jim Jaspers
Marvel Super-Heroes (UK) #380-381
Temporarily devolved by the Status Crew, is given an evolutionary push by a mutagenic life-enhancing fluid, first meets Saturnyne
Marvel Super-Heroes (UK) #387
The Fury murders his partner Jackdaw
Marvel Super-Heroes (UK) #388
Fails against Mad Jim Jaspers, ends up killed by the Fury too
Daredevils UK #1
Rebuilt and revived by Merlyn and Roma, is transported back home to his own Earth
Daredevils UK #2
Returns home and faces off against Mastermind computer
Daredevils UK #3-4
Reunited with twin sister Betsy, learns that she has manifested psi powers, faces off against the Slaymaster to save her and her friends
Daredevils UK #9-11
Faces off against the Fury again, as it has followed him across the dimensions, learns of there being a James Jaspers on his Earth too
Mighty World of Marvel (2nd series) #9
Fights Jaspers and fails again
Mighty World of Marvel (2nd series) #10-11
Inadvertently leads the Fury to Jaspers and thus causes end of both of them
Mighty World of Marvel (2nd series) #14-15
Meets and fights Meggan, their battle causes the death of a teenager, invites Meggan to stay at Braddock Manor
Captain Britain (2nd series) #6
Tricked by his counterpart Kaptain Briton, kidnapped to Earth 839 where he meets the crazy tyrant Sat-yr-9
Captain Britain (2nd series) #7
Mastermind computer informs him and Betsy of their father’s Otherworld origin
Captain Britain (2nd series) #9
Learns that his brother Jamie is a gunrunner and killer; abandons him to his fate
Captain Britain (2nd series) #10
Falls in love with Meggan
Captain Britain (2nd series) #12
Gives up being Captain Britain when he learns Betsy has taken up the mantle
Captain Britain (2nd series) #13
Takes up the job again when Betsy is blinded by the Slaymaster, kills him in revenge, learns that he can access his powers without the suit
Captain Britain (2nd series) #14
Buries the hatchet with Dai Thomas
Excalibur - The Sword is Drawn
Depression over Betsy’s apparent death (together with the X-Men); reluctantly joins Excalibur
Excalibur (1st series) #1
Meets Courtney Ross again
Excalibur (1st series) #5
Begins an affair with Sat-yr-9 who has secretly killed and replaced Courtney
Excalibur (1st series) #8-9
Experiences power shortages in the United States after losing his uniform
Excalibur (1st series) #13
Given a substitute uniform that originally belonged to Captain Marshall of Earth-1193
Knights of Pendragon (1st series) #4-5
Possessed by the Lancelot Pendragon, fights Dai Thomas to the death
Excalibur (1st series) #43
Attacks Nightcrawler in a jealous rage over Meggan
Excalibur (1st series) #44-47
Put on trial before Captain Corps court, learns more about Otherworld and his duties as Captain Britain
Excalibur (1st series) #50
Destroys Merlyn’s lighthouse and thus his energy matrix together with Meggan to foil his former mentor’s plan
Excalibur (1st series) #55-56
Learns that Courtney Ross is dead, faces Sat-yr-9 and Jamie Braddock
Excalibur (1st series) #61
Proposes to Meggan
Excalibur (1st series) #65
Roma adjusts the Captain Marshall costume to his body
off-panel, after Excalibur (1st series) #67
Becomes lost in the timestream
Excalibur (1st series) #75
Returns to the present because Phoenix trades places with him, becoming Britanic
Excalibur Annual #2
Enters the mind of comatose Jamie together with Psylocke in order to help their brother
Excalibur (1st series) #87
Learns that his father provided ammunition for the tyrannic human government of Genosha that suppressed mutants
Excalibur (1st series) #96-100
Joins the London Hellfire Club as Black Bishop to expose a killer; discovers that his father was innocent, returns to the Captain Britain costume/identity
Excalibur (1st series) #107-110
Loses his powers to save Earth from the Dragons of Crimson Dawn; quits the team and starts traveling to find himself
Excalibur (1st series) #124-125
Returns, he and Meggan get married as Excalibur disbands
Excalibur (2nd series) #1-4
Learns of Otherworld being under attack by Mastermind, travels there and embarks on a quest for the Sword of Might, Excalibur, regains his powers and becomes monarch of Otherworld in Roma’s stead after Mastermind’s defeat
Avengers (3rd series) #77-81
Saves English woman named Kelsey Leigh from death and turns her into the new Captain Britain
Uncanny X-Men (1st series) #462-465
Demoted from his position by Roma, sent back to Earth-616 as Captain Britain to save the universe, loses Meggan when she sacrifices herself against the chaos wave
New Excalibur #1
Cut off from Otherworld
New Excalibur #4
Battles Kelsey Leigh and Albion
New Excalibur #5
Agrees to reform Excalibur
X-Men: Die by the Sword #1
Reunited with Betsy
X-Men: Die by the Sword #5
Fights alongside Albion against Fury
Captain Britain and MI13 #1
Killed during the Skrull invasion of UK
Captain Britain and MI13 #2
Resurrected by Merlyn
Captain Britain and MI13 #15
Reunited with Meggan
Age of Heroes #1
Invited to join the Avengers
Uncanny X-Force (1st series) #23
Kills Jamie under Betsy’s influence to prevent the Goat future
Secret Avengers (1st series) #22
Joins the Secret Avengers covert branch
Uncanny X-Force (1st series) #35
Reconciles with Betsy
Avengers Arena #1
Opens Braddock Academy at old family manor
Revolutionary War event
Second Mys-Tech War
Avengers (5th series) #35
Joins Illuminati
Secret Empire event
Defends Europe from Hydra with Euroforce
X-Men: Gold Annual #1
Daughter Margaret is born
Excalibur (4th series) #1
Corrupted into service of Morgan le Fay
Excalibur (4th series) #6
Chooses Sword of Might in moment of weak
Excalibur (4th series) #13
Claims title of Captain Avalon
Excalibur (4th series) #16
Moves his family to Avalon to serve his brother the king