It was the English boxer's sixth defence of his IBF title, third of the WBA and first of the WBO, while the Russian Povetkin (34-2, 24 KOs) suffered his second professional defeat, first by stoppage.
Against Fury - or at least the version of Fury who took the three belts from Wladimir Klitschko which Joshua now holds - there could come a salutary boxing lesson.
Joshua was rocked by Povetkin, the 2004 Olympic champion, in the first round.
WBC champion Wilder takes on Briton Fury on 1 December. If Fury wins, it's not what we want because Wilder will have a rematch clause.
He will now return to Wembley in April to face a yet to be named opponent, with Wilder, Fury and Dillian Whyte all believed to be in the frame.
But Povetkin dominated his younger opponent with his strong inside work and punching power. Two failed doping tests in 2016 cost Povetkin a crack at Wilder, but he looked unsafe when he knocked out Joshua's fellow Briton David Price in March.
Povetkin's career has been marred by failed drug tests, but after finishing up a drug suspension past year, Povetkin returned to form, knocking out David Price in his last fight to become the mandatory challenger to Joshua's title.
Povetkin was sharp early in the second round before Joshua tried to establish some authority behind single jabs.
And a shot to the nose left Joshua with heavy bleeding and made it tough to breathe.
Athens 2004 Olympic super-heavyweight champion Povetkin was caught with a shot above the eye that caused a nasty cut - but the Russian remained a risky threat throughout.
"There's a lot of pressure, the country is rooting for us all and boxing".
Joshua began dictating with his movement from the fourth round and started to find his range with his right hook.
But Povetkin could do nothing to repel the punches that rained down on him in the deciding seventh round.
Richard Damerell, Sky Sports: "A straight right hand sent shockwaves through the legs of Povetkin, and a left hook followed by a right sent him crashing to the canvas". Povetkin fell through the ropes as he courageously got to his feet and only just beat the count.
It is not so much what might have been but feelings of frustration for Joseph Parker would have undoubtedly bubbled to the surface after watching Anthony Joshua sweep past another heavyweight contender.
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Sometimes he would kidnap the women and force them to withdrawal money from ATMs, and sometimes stole their personal items. The match came to light within the past 10 days, officials said. "He would enter houses, usually late at night", she said.
Iran's Foreign Ministry also signaled that the individuals behind the Ahvaz shooting may have had ties to some European countries. Iran considers Israel an illegitimate occupier of Muslim land - and has accused it of attempting to undermine the government.
One of those volunteers, Kathie Davidson, said she was "shocked and saddened" when animal control showed up to to take the pets. Hedges said she acted to save the animals, some of which were sick or injured.
The counselor reported that a client, a girl under the age of 17, had reported having sex with a 30-year-old man a week before. Shortly after Wilson posted the blueprints online in 2013, the Obama administration ordered him to take them down.
"Countdown is in contact with both New Zealand and Australian authorities as they investigate this matter", a spokesman said. Sewing needles were initially found in punnets of the fruit in Queensland last week, but the problem has since spread.
Most of the 11 competitors still in the race were further north and avoided the worst of the storm, organisers said. In particular Estonian skipper Uku Randmaa is within range, some 450 miles to the west of Thuriya .
Nishal Sankat, 22, is said to have approached the airport by auto and leapt over a security fence around 2am on Thursday morning. Four of them, including the aircraft that was illegally boarded, were there for Wi-Fi issues.
Federer and Djokovic were taking on Kevin Anderson and Jack Sock when the Serbian did something, well, embarrassing. Team Europe hold a 7-5 lead over Team World before the final day's action at the Laver Cup.
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