Warning: contains minor spoilers for Aquaman & The Flash: Voidson #1
Both before and after his resurrection, Red Hood has been consumed with thoughts of Batman’s opinion of him, however, Flash could easily dispel his worries with one simple phrase.
Jason Todd and Bruce Wayne have had a contentious relationship since before Jason’s death. The pair’s morals clashed from the beginning, even during Jason’s tenure as Robin. Batman suspected Jason of murdering a manjust before Jason’s own death, and when Jason returned to the land of the living in a blaze of bloody glory, it didn’t exactly dispel Bruce’s suspicions. Whether he outwardly expresses it or not, Jason looks up to Bruce as a father and constantly seeks out his approval, both as Robin and as Red Hood; although as the latter, Jason often feels that Batman views him as a failure, or as a lost cause.
Related: Red Hood's Logo is a Huge Tactical Mistake (With a Hidden Meaning)
Flash would be able to ease Jason’s worries with a single throwaway comment from Aquaman & The Flash: Voidsong #1, written by Collin Kelly and Jackson Lanzing with art by Vasco Georgiev. Flash tells Iris he’ll just tell Batman he can’t do monitor duty, but that in Flash’s words, Batman will "...be disappointed and grumbly and compare me to, like, whichever of his Robins he's mad at today..." Especially recently, Batman’s Robins have been irritating him, and while Flash has been a firsthand witness to this, his comment doesn’t single Jason out as the Black Sheep or failed apprentice.
Although in Flash’s mind this is undoubtedly just a meaningless complaint, it wouldn’t come across that way to Jason. Jason has repeatedly clarified that he believes Bruce sees him as a uniquely reprehensible failure.
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