The character encounters the human/Atlantean hybrid hero Namor the Sub-Mariner and his lover Lady Dorma, while supervising the construction of a domed sub-sea city whose purpose is to harvest food for mankind.

[11] Newell becomes a perennial character in the title Prince Namor, the Sub-Mariner and aids the hero and Dorma against the villain Tiger Shark[12] and is coerced by the government into investigating the disappearance of water from the Earth's oceans.

[19] Stingray is present when Mister Fantastic cures Croft and the other passengers, and aids the Thing and Inhumans Gorgon and Karnak against Maelstrom's Minions, who steal a dose of the healing compound.

[22] During the first "Armor Wars" storyline, Avenger Iron Man confronts Stingray, mistakenly believing that Newell's suit was based on technology stolen from Stark Enterprises, forcing Stark to publicly fire Iron Man to protect his company from being affected by his current actions after he confirmed that Stingray's suit had been independently created.

[23] Stingray aids the Avengers when Hydro-Base is invaded by Heavy Metal, a team of robot villains (consisting of the Super-Adaptoid, Machine Man, Awesome Android, TESS-One, and the Kree Sentry 459).

[26] In the title Marvel Comics Presents Stingray encounters now-brother-in-law Tiger Shark and after a battle work together to save Diane Arliss, who is trapped after a cave-in.

[27] The character aids the Avengers, Canadian super team Alpha Flight, and the People's Protectorate during The Crossing Line storyline[28] and with Namor battles a subterranean army.

[30] After featuring in a Marvel Comics Presents solo story[31] the character appears in the first storyline of the third volume of the title the Avengers.

[35] During the "Civil War" storyline, Stingray is a member of the Secret Avengers – led by Captain America – who oppose the Superhuman Registration Act.

[36] After Captain America's arrest and subsequent death, Stingray accepts Tony Stark's (Iron Man's alter ego) offer of a full pardon, and joins The Initiative.

[37] The character appears in another solo story in the second volume of Marvel Comics Presents[38] and in an ongoing basis in the title Avengers: The Initiative.

This group tries to focus on the innocent people put in danger where Scarlet Witch, now uncaring of morality, attacks Latveria.

[44] During the "Iron Man 2020" event, Stingray fought Captain Barracuda and his army of Robo-Buccaneers at the Bermuda Triangle.

The Stingray battlesuit's chief offensive weapon is a powerful electrical discharge device built into the exoskeleton,[48] able to project bolts of up to 20,000 volts through air or water and released through the gloves.