Hi Bob,
I could not have said it better myself!
Let us just see what the offical Marvel character database has to say about both characters:
-1 Apocalypse
Education
Centuries of study and experience
Height
Variable (usually around 7')
Weight
300 lbs. (variable)
Eyes
Blue
Hair
None
Powers
Apocalypse's full extent of powers remain to be revealed, especially to the extent of which powers have since been augmented by alien technology. Apocalypse claims to have control of his body on the molecular level-- allowing him to shape change and elongate with virtually unlimited range, to increase density and allow his body to mimic metals and armors, to teleport, and to be virtually immune to the effects of age. Apocalypse can also increase his strength to levels surpassing that of the Hulk, grow to giant sizes, and gain the power of flight, sometimes through turning his arms into wings or jets. Apocalypse can also transform himself into a variety of human disguises.
He has exhibited energy absorbing and projecting abilities in the past. Apocalypse has been termed an "External," due to his mutant ability of immortality. Briefly, Apocalypse has shown potential to be a powerful psionic.
It has further been hinted that Apocalypse's body is ravaged by a techno-organic disease. Many of his regenerated bodies must use an exoskeleton body armor to prevent his energies from consuming him. Apocalypse can apparently merge/switch host bodies to continually revive his self-consuming body.
Abilities
Mastery of alien technology, specifically in regards to genetics and biochemistry
Weapons
None
Paraphernalia
Celestial technology, especially its "resurrection chambers" that strengthen and revive his powers. Apocalypse uses the technology for his own applications, as well, altering mutants such as Exodus and his Horsemen. He once employed the spaceship now known as Prosh.
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-2. Dr. Doom
Education
College studies in the sciences (expelled before completion of degree); self-educated to graduate level and beyond in most sciences; self-taught knowledge of the mystic arts
Height
6'2" (in armor) 6'7"
Weight
225 lbs. (in armor) 415 lbs.
Eyes
Brown
Hair
Brown
Powers
Doom can exchange minds with others. He possesses some mystical abilities, such as casting bolts of eldritch energy and invoking mystical entities (principalities) for additional support. While empowered by the Haazareth, his mystical powers were on a par with those of Dr. Strange.
Abilities
Doom is a genius in physics, robotics, cybernetics, genetics, weapons technology, bio-chemistry, and time travel. He is also self-taught in the mystic arts. Doom is a natural leader, a brilliant strategist, and a sly deceiver.
Weapons
Primarily his suit’s armaments.
Paraphernalia
Doom wears a sophisticated nuclear-powered titanium battlesuit which grants him superhuman strength, contains jets for flight, houses a personal force field, and discharges concussive force blasts; he can also electrify his armor's surface. The armor contains a 4-hour air supply, and can be sealed for travel into outer space or underwater. Special attachments to the armor have included a molecular-expander, which can cause molecules to expand into the size of boulders, and various devices for absorbing the energies of others (such as the Silver Surfer).
Doom's many inventions include a variety of robots, such as robot duplicates of himself (Doombots), Latveria's robot police force (Servo-Guards), an army of unstoppable robots designed only to destroy (Killer Robots), as well as robots designed for slave labor and non-humanoid models used for special posts; his time machine, with which he can travel through space and time; and a shrink ray
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Doom will be crushed like a flee and swat like a fly on the wall I am afraid!
Rainer
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Nothing can stop The Juggernaut... NOTHING!