Marvel star Mark Ruffalo ripped California Gov. Gavin Newsom for supporting Prop 42, claiming the Democrat once again sold out working people to protect billionaires.
Breitbart reported that the left-wing Avengers actor tore into Newsom in a Wednesday post on X over the governor’s backing of the California measure tied to new state wealth taxes.
Ruffalo cast the endorsement as another giveaway to the rich. Newsom cast the same fight as a defense of retirement accounts, life savings, firefighters, veterans, and small businesses. That clash is the story.
In his post, Ruffalo linked Prop 42 to what he called a familiar pattern from the governor.
He wrote:
"Once again. Just like the Paramount Merger Gavin Newsom does what he always does. Sells out the working class people for the billionaires again and again. Not only that but endorses a bill that will make it impossible to tax the wealthy at all.,"
Fox News aired the actor’s broadside as a high-profile break from the usual Hollywood-Democrat script, with coverage around mid-October underscoring how openly Ruffalo went after Newsom on the wealth-tax fight.
Newsom did not answer Ruffalo as a Marvel villain. He answered as a governor selling tax restraint to the people who vote and work in California.
In his public endorsement statement for Prop 42, the Democratic governor said he was proud to line up with the groups progressives claim to champion.
Newsom said:
"I am proud to stand with firefighters, blue-collar unions, veterans, seniors, and small businesses in support of Prop 42. We all agree that Californians deserve to have their retirement and life savings protected from new state taxes so those savings are there when they need them,"
That is the core dispute in plain English. Ruffalo says the measure locks in favoritism for the wealthy. Newsom says new state wealth taxes put retirement money and life savings at risk. Coverage described Prop 42 as a vehicle meant to stop a new state wealth tax aimed at California billionaires; Ruffalo even called it a “bill” that would make taxing the wealthy impossible.
Voters have already seen California Democrats splinter over soak-the-rich politics, including when San Francisco Democrats rejected a billionaire tax in a lopsided vote. Ruffalo’s blast fits the same fracture line: activists demand ever-higher taxes on capital, while officeholders who must face retirees and small firms flinch.
Working-class rhetoric is easy on X. Payrolls, pensions, and savings accounts are harder. Newsom’s list, firefighters, blue-collar unions, veterans, seniors, small businesses, was a direct rebuttal to the charge that he abandoned those groups.
The Prop 42 explosion was not a one-off. Ruffalo has spent recent weeks treating Newsom as the villain in more than one Hollywood-and-Sacramento fight.
Breitbart’s account of the latest eruption also walked through that longer paper trail: the Paramount fight, the AI veto, and the same “follow the money” suspicion Ruffalo keeps aiming at the governor.
In September, Ruffalo accused Newsom of helping Donald Trump in the Paramount and Warner Brothers Discovery merger fight. He branded a related settlement a betrayal and called it a “huge win to Trump.”
That attack tried to paint a Democratic governor as a useful ally of Trump on a corporate deal. It also showed how fast Ruffalo reaches for the harshest available frame when Newsom will not govern like a campus activist.
Party leaders already face pressure from the left as Newsom concedes Democrats and democratic socialists are “pretty aligned” on key issues. Alignment on slogans is simple. Alignment on taxes, mergers, and vetoes is where the shouting starts.
Early this month, Ruffalo hit Newsom again, this time over the governor’s veto of a state AI bill. He called the veto “a mistake” and pushed the public to “follow the money” when judging Newsom’s choices.
In a TIME op-ed headlined “Governor Newsom’s Veto on the AI Bill Was a Mistake,” Ruffalo and his co-author framed artificial intelligence as an immediate social force, not a distant tech hobby.
The op-ed argued:
"AI is now a real-life technology, and love it or hate it, most everyone agrees it will make a massive impact on all of our real lives,"
So the sequence is clear. Merger fight. AI veto. Prop 42. Same actor. Same governor. Same charge that Newsom serves powerful economic interests over the “working class.”
Ruffalo’s brand is Marvel heroism and progressive politics. Newsom’s brand is California power politics and national ambition. When those brands collide, the left’s internal contradictions spill into public view.
Wealth-tax politics sound clean in a social post. In a high-cost state with retirees, small employers, and mobile capital, new state taxes on wealth are a real policy bet with real flight risk and real pressure on savings. Newsom chose the savings argument and named blue-collar allies out loud.
Ruffalo chose the betrayal argument and named billionaires as the winners. He did not grapple, in the Wednesday post, with Newsom’s claim that firefighters, unions, veterans, seniors, and small businesses are on the other side of the fight.
That omission matters. If the working class is the moral center of the attack, the governor’s coalition list is not a detail. It is the rebuttal.
California voters have already soured on other signature Newsom-era mandates, including evidence that two-thirds of Californians reject his gasoline-car ban. Tax-and-mandate fatigue is not a think-tank invention. It is a ballot-box problem for Democrats who govern the state.
Nationally, Newsom’s standing inside his own party has looked shaky as well, with coverage of how Newsom’s 2028 presidential odds cratered while other progressive names gained. A public flogging from a Marvel star does not help a governor who needs party peace and donor confidence at the same time.
Strip away the cape and the press hits, and the exchange is about incentives.
Ruffalo’s incentive is ideological purity on taxing the rich, plus a public lane as the celebrity who polices Democrats from the left. Newsom’s incentive is to keep a governing coalition that includes unions and retirees while blocking a tax model he says endangers savings.
Both men claim the working class. Only one of them, in the material public record of this fight, bothered to name firefighters, veterans, seniors, and small businesses as partners in the stance he took.
Ruffalo’s Paramount line went further still, casting Newsom’s merger posture as a gift to Trump. That is a remarkable accusation from a progressive star against a Democratic governor, and it shows how wide the trust gap has grown on the left when Sacramento refuses a maximal demand.
Prop 42 became the latest stage for that gap. Ruffalo said Newsom sold out workers for billionaires “again and again.” Newsom said Californians deserve to keep retirement and life savings safe from new state taxes. Those claims cannot both define the measure’s purpose in the public mind. One frames a morality play about oligarchy. The other frames a kitchen-table risk to nest eggs.
Conservative readers do not need a Hollywood referee to judge wealth-tax schemes. Capital leaves. Compliance costs rise. Savings get pulled into political range. Newsom’s sudden savings-first language does not erase his broader record. It does expose how even California’s Democratic machine flinches when the activist left demands a pure wealth raid.
Ruffalo wanted a purity test. He got a governor quoting unions and retirees back at him.
When celebrity progressives call a tax shield for savings a sellout, they show how far working-class language has drifted from working-class math.