Ellen DeGeneres has been taking heat over her friendship with George W. Bush and she’s now taking some more — from an Avenger, no less.

It all started when the comedian and wife Portia de Rossi were photographed sitting next to Bush and wife Laura at a Dallas Cowboys game, leading many to question why two gay women would be friends with a president who represented the notoriously anti-LGBTQ Republican party.

Despite her pleas that people be “kind” when she addressed the backlash on her daytime talk show, not everyone is inclined to overlook the ex-president’s role in the Iraq War and that cost an estimated 2.4 million casualties.

RELATED: George W. Bush Weighs In After Ellen DeGeneres Responds To Backlash Over Their Friendship

One of DeGeneres’ critics is “Avengers” star Mark Ruffalo, who took to Twitter to blast the comedian and remind her of the two-term president’s legacy.

“Sorry, until George W. Bush is brought to justice for the crimes of the Iraq War, (including American-lead torture, Iraqi deaths & displacement, and the deep scars — emotional & otherwise — inflicted on our military that served his folly), we can’t even begin to talk about kindness,” he wrote in a scathing tweet.

Ruffalo wasn’t the only celeb to slam DeGeneres for palling around with the Bushes, with the likes of comedian David Cross, Oscar-winner Susan Sarandon and others taking her to task.

However, there were also numerous stars to leapt to DeGeneres’ defence:

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