Since their pardon by the Guardians of the Universe back in UNTOLD TALES #515, the Fantastic Four have been freed. But that was before Batman became involved! Has he turned murderer, or is he being framed?
Untold Tales #692 Batman vs The Fantastic Four
Crisis on Earth-Prime 
Clearly he’s been framed even though it is very possible for him to afford the kind of tech needed to take them down.
BTW I’ve always liked how John Buscema drew that cover with the steam coming out of what looks like bullet-riddled puncture holes in their bodies. Awesome attention to detail.
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