Deadpool: Colossus stayed in metal form because he was hurt in a recent fight and needed to heal. That is also why he is in the mansion with Negasonic Teenage Warhead. When Colossus and NTW leave, the mansion seems empty. In the comics, Colossus sometimes has to stay in his metal form if he is grievously wounded..
Moreover, why is colossus so weak in Deadpool?
Colossus does have a huge weakness in the form of Vibranium. This forced reversion doesn't last for long and he can return back to his armored form once he is away from the Vibranium. But, this still means that his powers can be counteracted.
Furthermore, why is colossus Russian in Deadpool? Born Piotr Rasputin in Soviet Russia, Colossus grew up on a farm and didn't discover his mutant powers until he was a teenager. In early trailers, Deadpool and Colossus spend more time bickering than fighting crime. But, they do a fair amount of that, too.
Subsequently, one may also ask, what kind of metal is colossus made out of?
Steel
How did colossus become metal?
Colossus is a mutant with the ability to transform his entire body into a form of "organic steel", with properties similar to osmium but of still unknown composition. While in his armored form, Colossus requires no food, water, or even oxygen to sustain himself, and is extremely resistant to injury.
Related Question Answers
Can Magneto kill colossus?
Control is a matter of debate, but Colossus can be affected by Magneto's powers easily. Magneto is able to hold Colossus at bay, freeze him in place or simply repel him great distances with apparently little effort. Recently, Colossus has become the Avatar of Cytorrak and is now the Unstoppable Juggernaut.Who is stronger Colossus or Juggernaut?
That, in conjunction with his getting older (he was a teen when he joined the X-Men at his 70 ton strength), he has become even stronger. Without the Juggernaut power, I would put Colossus at roughly 100 tons. More than the Thing, less than the Hulk. With the Juggernaut power, his strength is virtually incalculable.How did colossus die?
Almost a decade later, Colossus died curing the world of the Legacy Virus. See, Colossus died when he injected himself with a worldwide cure for the Legacy Virus that could only be activated once a single mutant gave up his life.Who can kill the Juggernaut?
Skaar, Son of Hulk Skaar managed to defeat Juggernaut in Incredible Hulks #602. He first sucker punched Juggernaut by turning into a little child then managed to send Juggernaut into orbit.Is Colossus Omega level?
7 Colossus Colossus isn't the strongest mutant around, but he's one of the most durable. His trademark organic metal skin also makes him a standout among a sea of powerful heroes and villains as well. But despite his impressive abilities, Colossus isn't remotely close to attaining Omega-Level status.Are Colossus and Juggernaut brothers?
Juggernaut appears in X-Men: Evolution, voiced by Paul Dobson. In this show, Juggernaut is Professor Xavier's half-brother (rather than step-brother) and his powers are a result of a dormant mutant ability. This ability is awakened by the gem of Cyttorak.Is juggernaut a mutant?
In the mainstream comics, the Juggernaut is not a mutant and gains his power from the mystical Cyttorak Ruby. He is only a mutant in the Ultimate universe.Is Colossus immortal?
Near Immortal Now, the power of Cytorrak belongs to Colossus (Piotr Nikolaievitch Rasputin) it can be assumed that such immortality has moved to him as well. As a result she could be effectively immortal.Can Magneto Control Thor's hammer?
Yes, in the Ultimates universe supposes the mechanism behind preventing anyone from wielding Thor's Hammer is quantum levitation - where the hammer "locks" itself into magnetic fields. Since Magneto can manipulate magnetic fields, he would be able to move the hammer no matter where it locked itself into place.Can Wolverine cut through colossus?
It is due to the sheer amount of strength required, that Wolverine would not be able to cut Colossus with his claws. Both Wolverine and Colossus are team mates and close friends, so the two have rarely ever came to blows.Who is colossus wife?
Piotr Rasputin (Earth-295)How old is Kitty?
When Kitty Pryde was introduced in Uncanny X-Men 129, she was described as being 13 years old.Can Colossus be hurt?
Ord has bn able to hurt colossus via holds and even pressure point attacks while in metal form. Colossus has shown some resitance to magic, in blast form a few times and spells. this is largly due to enchantments his sister placed on him.Can Deadpool die?
Although his head normally has to be reunited with his body to heal a decapitation wound, he was able to regrow his head after having it pulverized by the Hulk in the graphic novel Deadpool Kills the Marvel Universe. Deadpool is effectively immortal, although he has died several times.Can you drown Deadpool?
Other than that, there aren't any comic references for Deadpool's healing ability in this area. When you drown your lungs are flood with water, there's no way to get oxygen from water and, as a consequence, your cells cannot get oxygen and start to decay.Can colossus change back to human?
Colossus says he wont transform back because he would be taken over by Cyttorak in his human form. That a mere man cannot overcome the power of Cyttorak but in his Steel form he is a superhero and he feels stronger to fight off his influence.What metal is in Wolverine's body?
Adamantium
Is Colossus a villain?
Piotr Nikolaievitch Rasputin (Пётр Николаевич Распутин), code named Colossus, and often going by the Americanized name Peter Rasputin, is a character from Marvel's X-Men comics. He is of Russian heritage and is the brother of the magic-based heroine Magik as well as the villainous Mikhael Rasputin.Can the Hulk beat juggernaut?
Hulk isn't. Take the jobbering away and Hulk will never beat Juggernaut. Look, Stan Lee created both of these guys. If he says Juggernaut is stronger "because of the limitless power of Cyttorak", then Juggernaut is stronger. 
