Final answer:
Mr. Marvel does not steal anything in Ralph Ellison's 'The Invisible Man'; instead, the novel focuses on the experiences of the unnamed protagonist with racism and his quest for identity.
Step-by-step explanation:
In the book “The Invisible Man” by Ralph Ellison, the character Mr. Marvel does not steal anything. It seems there is a confusion with another work of fiction. Instead, the Invisible Man experiences various incidents of racism and searches for recognition and identity in a society that refuses to see him. Ellison’s novel is known for its profound exploration of race and identity in America, and it does not involve Mr. Marvel as a character. The text provided also references a theft from a different story, “The Purloined Letter” by Edgar Allan Poe, where the character Minister D― is the thief, not Mr. Marvel.