I love me some AUs and rarely even read canon-based stories, but I thought I'd challenge myself. Admittedly, it's still really AU-esque, but its a step ;)
Have a feeling this has been done before, and I'm sorry for the cliches, but who doesn't want more Wee-Charles freaking the crappers out of Erik?

"All the preliminary tests indicate that we will only need a tiny dose at medium power surge for this to reverse your cells enough to repair the tissue damage and paralysis."

Hank had been working on this device for months. He did the tests on his own cells. Deep down, he was ashamed to admit, the true beginnings of this device was for the purposes of reversing his own 'disfigurement'. Those were normally particularly bad days, when he doubted whether the Professor's dreams were worth fighting for.

"Are you absolutely sure it's a hundred percent safe for the Professor? I'm not letting him walk in there under a maybe!"

Charles reached up and placed a reassuring hand at Alex's arm. "Nothing is a hundred percent. But if it can even ease some of the pain on my spine, I'll do it."

"But Professor, it too dangero-"

"I'm truly touched by your concern, but I have strong faith in Hank. When can we start?"

"Right now, if you're ready, Professor."

Meanwhile, only a few miles from Westchester, Erik, Janos and Azazel appeared in a flash of dark sulfuric smoke outside the area's largest power plant.

"Take care of the humans."

Immediately, Azazel and Janos teleport away, and in the short distance, Erik hears shouting, screaming and finally the alarm.

With both arms stealthily raised, Erik begun conducting his symphony of magnetic manipulation.

He was going to cause a power surge strong enough to overload the reactor, ultimately resulting in a blackout long enough for them to enter several CIA facilities throughout the region with limited obstruction, including the one holding the telepath, Frost, in custody, and gather any other data of interest.

"H-have you heard from Charles recently?" Raven, now normally sleek with confidence, stood awkwardly on the other side of Erik's makeshift desk in her natural form.

Agitation but also slight surprise ran across her mentor's brows and forehead. "No...should I have?" He has been busy sifting through piles of 'confiscated' paperwork from the CIA, hoping to get leads on the other secret facilities they have set up to hold mutants. With every passing second and every useless file, he regrets sending Frost over to investigate leads in Russia.

"Well, it's just...*sigh* Every other day, if not everyday, when we're within his range, he'd sort of check up on me, say good night and all...He hasn't spoken to me for almost two weeks now. We're less than a mile away from Westchester, it's not like him..."

Erik placed the file in his hands down and sat up straighter, "You think something has happened to him? Have to tried to call the mansion?"

"I just did...the line was dead."

"Get Azazel. Bring Angel and Janos as backup too. We go immediately."

The mansion looked as it did that first time he saw it. Magnificent, imposing, isolated, tranquil, haunting. Today was no different, basking under the golden sunlight.

"Charles would have come to greet us by now, or have someone do so..." Raven's voice was full of concern as they stood in front of the elaborate front entrance, making their assessment of the situation.

Erik felt no magnetic disturbance, nothing out of the ordinary anyway. There were people inside the mansion, that much he can tell, sensing the faint fuzz of the iron content within blood.

"Angel, aerial scout. Azazel, take us to the east wing, I sense an abundance of blood flow there. Be on guard."

After Angel took off, the four remaining joined hands, and poofed into the unknown.

"Holy crap!" Sean tipped his bowl of Fruit Loops over and it sploshed all over the wooden table top as well as his shirt.

"What the fuck are you people doing here!?"

"Eerr...Technically, this is Raven's home, she has more of a right to be here than-" Hank adjusted his glasses and clears his throat when Alex glares at him.

Then out from behind Sean, who was still busy wiping up the spill and cleaning up something else obstructed from view, a loud delighted squeal rung out.

A toddler not more than two years old, sat secured on a wooden high chair, whole body stretched around so he could see the new visitors. His round face was half covered with splashes of milk, and a few rouge Fruit Loops found their way onto his soft brunet curls.

"Rayray!" Tiny hands made grabby gestures from those sturdy chubby arms.

The brightness of the toddler's azure blue eyes were unmistakable. As were the pouty ruby red lips.

"Charles!?"

Next couple of chapters will be de-aged!Charles FLUFF, with a tiny hint of angst.