Namor the Submariner I don't know who was the first Marvel character, but Namor was the first mutant, not the first character.
When it first started, from 1939 through the 40's, Timely. Then, in the 50's, Atlas. It didn't become Marvel until sometime in the early-60's.
Marvel
The Fantastic 4 are Marvel and in 2019 Kevin Feige announced that a Fantastic Film will be in the MCU (Marvel Comics Universe)
The second word in the phrase marvel vs capcom is marvel, mar is the first word
The first super hero of Marvel was Captain America. It originated from Stan Lee's idea, became a super hero of Timely Comics (which was renamed Marvel comics), and was the first super hero produced from Marvel in 1941.
Cyclops and Ms. Marvel
R is before t-so Marvel. (alphabetically)
Thanos is a Marvel character. He first appeared in a Marvel comic in 1973 and has since become a prominent villain in various Marvel comics, movies, and TV shows.
superman
it isn't Batman, it is a Marvel Character called wildcat.
There is a marvel superhero from Mexico known as "Kaliman" with a sidekick called "Solim".