Seven waves were released for the Masters of the Universe line. Here are the figures made by order of release. I've included a list of the accessories that came with them as well as the countries that produced them. Its important to note the wave order and release date is the American release date and order. They were released in different order and dates internationally.
WAVE 1 (1982)
8 figures were released in 1982 for the Masters of the Universe line. These are the initial "8-Back" figures:
He-Man, Skeletor, Mer-Man, Man-at-Arms, Beastman, Stratos, Teela and Zodac.
Aside from the figures, 2 creatures were released for wave 1: Battle Cat + Screech.
2 Vehicles: Battle Ram and Wind Raider.
1 playset: Castle Grayskull.
wave 2 (1983)
6 figures were released in 1983 for the Masters of the Universe line:
Man-e-Faces, Ram Man, Evil-Lyn, Faker, Trap Jaw and Tri-Klops.
Aside from the figures, 2 Creatures were also released: Zoar and Panthor.
2 Vehicles were released: Attak Trak and Point Dread & Talon Fighter.
wave 3 (1984)
12 figures were released in 1984 for the Masters of the Universe line:
Battle Armor He-Man, Buzz Off, Fisto, Mekaneck, Orko, Prince Adam, Battle Armor Skeletor, Clawful, Jitsu, Kobra Khan, Webstor and Whiplash.
Aside from the figures, 4 Vehicles were released: Dragon Walker, Road Ripper, Stridor and Roton.
1 playset: Snake Mountain.
1 Accessory: Weapons Pak.
Wave 4 (1985)
13 figures were released in 1985 for the Masters of the Universe line:
Thunder Punch He-Man, Dragon Blaster Skeletor, Moss Man, Spikor, Roboto, Stinkor, Sy-Klone, Two-Bad, Hordak, Grizzlor, Leech, Mantenna and Modulok.
Aside from the figures, 5 Vehicles were released: Bashasaurus, Battle Bones, Land Shark, Night Stalker and Spydor.
1 Playset was released: Fright Zone.
1 Accessory was released: Thunder Punch Ammo.
wave 5 (1986)
14 figures were released in 1985 for the Masters of the Universe line:
Dragstor, Extendar, Flying-Fists He-Man, Horde Trooper, Hurricane Hordak, King Hiss, Multi Bot, Rattlor, Rio Blast, Rokkon, Snout Spout, Stonedar, Terror Claws Skeletor and Tung Lashor.
Aside from the figures, 5 Vehicles were released: Blaster Hawk, Laser Bolt and Fright Fighter.
2 Creatures were released: Mantisaur and Monstroid.
4 Accessories: Megalaser, Jet Sled, Stilt Stalker and Slime Vat.
2 Play Sets: Eternia and Slime Pit.
WAVE 6 (1987)
15 figures were released in 1985 for the Masters of the Universe line:
Clamp Champ, Gwildor, King Randor, Sorceress, Blade, Blast-Attak, Ninjor, Scare Glow, Saurod, Buzz Saw Hordak, Mosquitor, Snake Face, Sssqueeze, Rotar and Twistoid.
Aside from the figures, 2 Giants were released Tytus and Megator.
3 Creatures were released: Bionatops, Turbodactyl and Tyrantisaurus Rex.
10 Meteorbs: Astrolion, Comet Cat, Cometroid, Tuskor, Ty-Grrr, Crocobite, Dinosorbs, Gore-illa, Orbear and Rhinorb.
4 Accessories: Beam Blaster and Artilleray, Cliff Climber, Tower Tools and Scuba Attack.
wave 7 (1987)
2 figures were released in 1988 were released (only for the international market): Laser Power He-Man and Laser Light Skeletor