Captain Britain is a British comic feature published by Marvel UK - the British division of Marvel Comics between 1976 and 1985, in various anthology magazines.
The first of these was named after the strip and debuted the first incarnation of Captain Britain, Brian Braddock. The strip was revived in 1980 and appeared in various British comics before headlining a second eponymous series in 1985. After this was cancelled in 1986, many of the characters and concepts were incorporated into the Marvel Comics series Excalibur.