It could be that in the universe of the Venom movies, this type of strong bond is already known among the symbiotes to result in stronger specimens. This could explain why Venom is so fearful of facing an enemy with a ruddy hue.
Carnage is a psychopath. Venom also, at times, does not want the symbiote to spread, and has actively hunted down other symbiotes. And to build on what you are saying, Venom also feels responsible for Carnage. That's why Venom always tries to be an active character when Carnage is on the loose.
By eating Carnage, Venom is effectively returning his spawn back to his former "unborn" state within Venom's mass, not taking anything he didn't already have into his cells.
The spawn of the Venom symbiote then attached itself to Kasady through his bloodstream. Carnage achieves this by entering Kasady's body through a cut on his hand. This is the reason why Carnage appears as the colour red, as he entered through the bloodstream, which is of course red.
In the comics there isn't inherent meaning to colors, since symbiotes can camouflage and be whatever color they want. Venom went black with the white spider because Spidey was thinking about Spider-Woman's costume at the time when they bonded.
At the very least, a red symbiote is naturally stronger than a black symbiote. What this means for symbiotes who sport a green, purple, or even yellow color is up in the air for now at least.
The main trait that the Red Symbiote species is known for is their ability to bond with and take over the minds of their host, becoming one with the host's mind, body and soul. These abilities give the Symbiote host enhanced strength and agility, as well as a strong link to the Symbiote.
The reason Carnage is red is because he bonded with Cletus' blood directly just like how it happened in the comics. It was slightly altered in the movie from the comics because of course.
Blue Symbiote (2) (Agony): In the comics Agony was one of the symbiotes forcibly spawned from Venom alongside several others by the Life Foundation.
The son of Carnage, Toxin, was believed to be the most powerful symbiote ever created. The raw power of Toxin was so great that he was feared even by the King in Black, Knull, creator and leader of the symbiotes.
It could be that in the universe of the Venom movies, this type of strong bond is already known among the symbiotes to result in stronger specimens. This could explain why Venom is so fearful of facing an enemy with a ruddy hue.
The bond between the Carnage symbiote and Kasady was stronger than the bond between Brock and the Venom symbiote. Cletus Kasady was also a serial killer and thought of as insane. As a result, Carnage is far more violent, powerful, and deadly than Venom.
Venom Eats Carnage - Fight Scene - Venom 2: Let There Be Carnage (2021)
Carnage barely put up a fight. Pieces of the symbiote were on him, but he didn't fully transform or try to defend himself. Venom simply pulled the symbiote off of him and ate it, becoming stronger.
A symbiote is only as strong as the bond that it shares with its host. With that in mind, Venom is the clear winner, having formed a number of strong bonds since making its debut back in issue 252 of The Amazing Spider-Man.
They rapidly age the symbiotes and pair them to people: Scream (yellow, female), Agony (pink, female), Lasher (green, male), Riot (grey, male) and Phage (orange, male).
In the comics none of the five symbiotes were originally given names. However, in the Venom: Planet of the Symbiotes toy line, the yellow symbiote was named Scream and the green symbiote was named Lasher.
Agony is largely dark purple with dark pink mix symbiote, it grants its host with claws, a blade along the fur end of the forearms, fangs and fairly long prehensile hairs, as well as manipulate its body into various form.
Black Venom is an independent company which customizes authentic watches and is in no way affiliated with the manufacturers.
After Venom broke through the prison cell that held his host Eddie Brock, a small piece of the symbiote was left behind. That piece soon bonded with Cletus Kasady, Brock's cellmate. Once he came into contact with it, the two bonded, and Carnage was born.
Venom is a villain in Marvel's Spiderman. He also known as Eddie Brock. He hates Spiderman because he thinks he is the cause of all the bad luck in his life. Venom is bigger and stronger then Spiderman.
Who would win in a fight between carnage and riot? Carnage does have more abilities, but was like a rampaging kid and Venom ate it to kill it. Riot was cunning, and was even able to rip Venom from Brock and would have eaten him if Brock didn't rebond with it.
Carnage was once a serial killer known as Cletus Kasady, and became Carnage after merging with the offspring of the alien symbiote called Venom during a prison breakout. The symbiote amplified his psychotic nature making him even less mentally stable than he had been previously, and therefore even more dangerous.
So, what gives? Why are Detective Mulligan's eyes blue in Venom: Let There Be Carnage? Detective Mulligan's eyes light up blue in Venom: Let There Be Carnage because in this very (very) brief scene, it is implied that Mulligan has become the host to a new symbiote.