MARVEL'S GREATEST COMICS #31 - JUN 1971 (7.0-7.5)

Reed devises mechanical devices to enable the FF to duplicate their vanished super-powers. Matt Murdock visits the FF and Dr. Doom attacks.; Dr. Doom battles the FF and Daredevil. Reed restores the FF's powers.; Quicksilver wants to take leave of Magneto, even though his sister says they "owe him too big a debt." But she follows her brother's lead, and they seek out the Fantastic Four for advice. As only Ben and Johnny are home when they arrive, naturally, a misunderstanding turns into a brawl. When it's over, Quicksilver & his sister decide they're only "safe" with Magneto.