Author's Notes: Obviously inspired by the famous chair scene in the first Avengers film. My thoughts were this is an MCU prequel soon after Clint recruited Nat.

Clint walked into the room, a smug smile on his face as he eyed the woman tied to the chair. Natasha Romanoff, his partner in many ways. But today, she was his subject.

"Clint," Natasha purred, her voice dripping.

"Oh, I'm here alright," Clint said, sauntering over to her. He reached out and trailed a finger down her cheek, watching as she shivered beneath his touch. "But not for the reason you think."
The redhead's eyes narrowed, but she didn't say anything. She knew better than to speak out of turn during one of Clint's "interrogation training" sessions.

Clint leaned in close, his lips brushing against her ear as he whispered, "I'm here to test your limits, Natasha. To see just how far you can be pushed before you break."

Natasha's breath hitched in her throat as she felt his hand slide down her body, tracing the curve of her breast before dipping lower. She bit back a moan as he cupped her between the legs, his fingers rubbing circles over the fabric of her pants.

"You're wet," Clint murmured, his voice low and rough. "I like that."

Natasha's cheeks flushed as she felt his fingers slip beneath the waistband of her pants, sliding under her panties and finding her wet and ready.

"Clint," she gasped, her hips bucking upwards as he began to stroke her.

"Shh," Clint soothed, his other hand coming up to cup her cheek. "Just relax, Natasha. Let me make you feel good."

Natasha's eyes fluttered closed as she felt his fingers work their magic, circling and teasing her clit before plunging inside of her. She bit her lip as he began to thrust in and out, his pace quickening as he felt her begin to tighten around him.

"That's it, Natasha," Clint murmured, his lips brushing against her ear. "Cum for me."

Natasha's orgasm hit her like a wave, crashing over her and leaving her breathless and trembling. She felt Clint's fingers slip out of her, and she opened her eyes to see him grinning at her.

"Good girl," he said, leaning in to press a kiss to her forehead. "Now, let's see if we can't break you a little more."

Clint stepped back, his eyes raking over Natasha's body as he reached for the buttons of his shirt. Natasha watched as he undressed, her eyes widening as she saw the hard length of his cock spring free.

"Clint," she breathed, her eyes fixed on his dick.

"Like what you see?" Clint asked, a smug smile on his face as he stroked himself.
Natasha nodded, unable to tear her eyes away. She licked her lips as she saw him move closer, his cock brushing against her cheek.

"Open wide, Natasha," Clint said, his voice low and rough.

Natasha obeyed, opening her mouth as Clint slid his cock inside. She moaned as she felt him begin to thrust, his hips moving in time with his strokes. Her wrists struggled with the ropes binding them to the chair but to no avail.

"Fuck, Natasha," Clint groaned, his fingers tangling in her hair as he began to fuck her mouth in earnest. "You feel so good."

Natasha could only moan in response, her pussy clenching with need as she felt him grow harder and bigger in her mouth. She could feel her own orgasm building again, her body trembling with the effort of holding back.

"My turn to cum, Nat," Clint growled, his thrusts growing harder and faster.

She felt Clint's cock twitch and pulse in her mouth. She swallowed convulsively, feeling his hot seed fill her mouth and slide down her throat.

Clint pulled out, his cock slipping from her mouth with a wet pop. He grinned down at her, his eyes gleaming with satisfaction.

"Well, Natasha," he said, reaching out to brush a strand of hair from her face. "I think we've proved that you can take a lot more than you thought."

Natasha smiled up at him, her eyes shining with gratitude and desire.

"Yes, Clint," she said softly. "I think we have."