Random Most Shameless Marvel/DC Counterparts & Analogs (12 items)

(#3) Elongating Man and Mister Fantastic

Similarities: Stretchy, elastic-y super geniuses.
Elongating Man first appearance: The Flash #112 in May 1960
Mr. Fantastic first appearance: The Fantastic Four #1 in November 1961
(#5) Dr. Fate and Doctor Strange

Similarities: Sorcerers/doctors who wield powerful amulets to fight the evil doers of the magic worlds.
Dr. Fate first appearance: More Fun Comics #55 in May 1940
Doctor Strange first appearance: Strange Tales #110 in July 1963
(#4) Darkseid and Thanos

Similarities: Giant, all powerful, brutish destroyer of entire worlds and galaxies.
Darkseid first appearance: Forever People #1 in February 1971
Thanos first appearance: Iron Man #55 in February 1973
(#8) Lobo and Wolverine

Similarities: Short, hairy, foul mouthed fan favorite characters with a tendency to skewer (with a hook or claws) and chomp on cigars.
Lobo first appearance: Omega Men #3 in June 1983
Wolverine first appearance: The Incredible Hulk #180 in October 1974
(#1) Catwoman and Black Cat

Similarities: Black latex clad cat-thieves who commonly gets romantically involved with their sometimes enemy/sometimes ally.
Catwoman first appearance: Batman #1 in Spring 1940
Black Cat first appearance: The Amazing Spider-Man #194 in July 1979
(#7) Thunderbolts and Suicide Squad

Similarities: Teams of villains disguised as heroes with a... flexible sense of right and wrong. Both walking the line between good and evil on a case by case basis.
Thunderbolts first appearance: The Incredible Hulk #449 in January 1997
Suicide Squad first appearance: The Brave and the Bold #25 in September 1959