Plastic Man vs Mr. Fantastic vs Elongated Man
Plastic Man was created and debuted in 1941 for Quality Comics and was later acquired and incorporated into the DC Universe in 1956. His abilities include superhuman elasticity meaning he can stretch his body into any form imaginable. He is also super agile and durable. He possesses a healing factor and is immune to telepathy and is invulnerable and immortal.
Elongated Man – Another one of DC’s heroes that can stretch his body to any shape and size is Elongated Man. He debuted in 1960 in DC Comics and is a member of the Justice League. His abilities also grant him durability and limited invulnerability. Elongated Man is also an expert detective and chemist.
Mr. Fantastic debuted a year after Elongated Man in 1961 in Marvel Comics and is a founding member of the Fantastic Four. Reed Richards is a genius before he was exposed to cosmic rays giving him his super powers which include his body being highly malleable and able to transform into almost any shape desired. Along with his superhuman elasticity, Mr. Fantastic is highly durable and possesses high level of endurance and has a resistance to most physical assaults and is immune to psychic powers.