Theresa Cassidy (Earth) | Marvel Database | FANDOM powered by Wikia
In the second Deadpool miniseries, he teamed up with Siryn and her father They became close friends, but their relationship never became a. Soon after his marriage, Sean Cassidy, an Interpol agent, was sent on an Free advice, Ms. Cooper. Siryn. Theresa's sonic powers emerged at puberty and, a few years later, Black Tom Wolverine was upset at Deadpool, even after Theresa broke out of her healing tank, but Terry stood by Wade and flew off with him. worthiness, he sought Copycat for advice but found her dating fellow Weapon X alumnus Kane. Deadpool in turn rescued Siryn when she was imprisoned by Gamesmaster Hoping to recapture his supposed loving relationship with her.
Theresa Cassidy (Earth-616)
The reason he gained his powers in the first place is because he was trying to do whatever he could to avoid death after he was diagnosed with a terminal case of cancer. However, after being experimented on and tortured for long enough, he yearned for death -- it was too late, though, as his new healing powers prevented him from dying. As a result, Death has become interested in him as well, and they have pursued a relationship on occasions, which infuriates Thanos, who is famously obsessed with Mistress Death and it galls him to no end that she appears to prefer the company of Deadpool to him.
For a time, Thanos made sure that Deadpool could never die, just to keep him from Mistress Death! In the second Deadpool miniseries, he teamed up with Siryn and her father, Banshee an old friend of Deadpool's to fight against Banshee's cousin, Black Tom Cassidy and Cassidy's partner in crime, the Juggernaut.
During the series, he grew to love her and thus was distraught when she saw him without his mask this was the first time we learned that he was gross under his mask. They became close friends, but their relationship never became a physical one. That changed, though, after Siryn thought she was having a baby with her fellow mutant, Jamie Madrox, but the baby was fathered by one of Madrox's duplicates, so when Madrox touched the baby, he absorbed it.
A despondent Siryn ended up sleeping with Deadpool just to distract herself from her pain. In Deadpool Team-Up as a joke, the series bean with Deadpool and worked backwardsDeadpool teamed up with Johnny Blaze and Dan Ketch, two different Ghost Riders, as they tried to save a town of circus "freaks" who had hired Deadpool to kill their tyrannical boss.
As it turned out, the freaks were part of a whole demon situation and thus Deadpool and the Ghost Rider brothers had to do whatever they could to save the townspeople. In the end, after they succeeded and Deadpool killed their boss after it turned out that he was a jerk even when he wasn't demon-possessedDeadpool celebrated the victory by taking Beatrice the Bearded lady home for some hairy loving.
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Vanessa is also a major love interest of Deadpool's in the comics, as well, only in the comic books she is a shapeshifter who goes by the name Copycat. When we first see Deadpool and Copycat interact during a point where she had infiltrated X-Force as Dominohe is trying to kill her, which he did for the next few years she is often protected by Garrison Kane, her next boyfriend.
Over the years, though, their relationship improved and they even began to date, but Copycat proved too crazy for Deadpool. When he was hired by a revamped Weapon X, however, he broke from the group when he learned they wanted Copycat dead this time, Kane was one of the people trying to kill her! Sadly, Wade couldn't save her from her fate. One of them was hired to free her and the other one was hired to kill her.
Luckily for Mary, Deadpool was the one she hired to free her. Taking a leave of absence from the team, Theresa adjusted slowly to life without her powers, visiting with an aunt. Soon, however, Theresa walked into an antique store where the owner put a necklace on her. Theresa immediately began to talk again and flew off, the obvious victim of a possession, similar to the type performed by the deceased villain Malice. Wolverine was upset at Deadpool, even after Theresa broke out of her healing tank, but Terry stood by Wade and flew off with him.
What became of her possessor is unknown. The team recruited several known villains and soon they embarked on a rampage through Paris until the X-Men were able to defeat them. Even so, Banshee was left wounded and the X-Corps was disbanded. Feeling the need to help atone for her father's debacle, Theresa offered her services to the X-Corporationa clandestine extension of the X-Men operating as mutant champions on a worldwide scale. She was in a state of denial regarding her father's recent demise, correctly noting that many X-Men had been believed dead only to later return alive.
Due to these recent traumas, Siryn was under considerable emotional strain. Rictor rescued her, killing Leery in the process. During the Superhuman Civil WarTheresa opposed the Registration Act and was tasked with contacting more high-profile superheroes about the Decimation.
After speaking with Spider-ManX-Factor got into contact with Quicksilver and Cyclops ' team of X-Men demanding they answer why the reason behind the Decimation was kept secret and defy the Registration Act. Jamie was not sure which of them slept with the dupe. Regardless, Jamie kept it going with the both of them, afraid of revealing that he was double-timing them. They did not take it well. As Theresa went into labor, she proposed to Jamie who accepted.
Eventually, she gave birth to a baby boy that she named Sean.
Upon picking up Sean, Madrox absorbed him: Filled only with rage, Theresa declared after breaking Jamie's fingers that she would break his neck next time she saw him. Reverend Maddox helped Theresa cope with depression and she had a one-night stand with Deadpool. After finally coming to terms with Banshee's death and reconciling her grief, Theresa retired the codename Siryn and took her deceased father's codename as her own and began calling herself Banshee in honor of his memory.
The Morrigan revealed that her name was actually a title that was passed down from one woman to another and that she was tired of being the Morrigan. She would help Terry by giving her the power that was needed to heal Lorna's mind. To do this, Terry had to kill the Morrigan and become the new Morrigan. Theresa accepted and killed the Morrigan using a "Banshee's scream" in the form of a sonic lance, by the Morrigan's request.
With her new godly powers, Terry easily saved Lorna.